2003 ATP Tour

{{short description|Men's tennis circuit}}

{{ Infobox tennis circuit season

| name = 2003 ATP Tour

| image = Andy_Roddick.jpg

| image_caption = Andy Roddick finished the year ranked world No. 1 for the first time in his career. He won six tournaments during the season, including a major title at the US Open. He also won two Masters Series events.

| image_alt =

| image_size = 160px

| duration = 28 December 2002 – 8 November 2003

| edition = 34th

| tournaments = 68

| most_tournament_titles = {{flagicon|SUI}} Roger Federer (7)

| most_tournament_finals = {{flagicon|SUI}} Roger Federer (9)

| prize_money_leader = {{flagicon|SUI}} Roger Federer ($4,000,680)

| points_leader = {{flagicon|USA}} Andy Roddick (4,535)

| player_of_the_year = {{flagicon|USA}} Andy Roddick

| doubles_team_of_the_year = {{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan

| most_improved_player_of_the_year = {{flagicon|GER}} Rainer Schüttler

| newcomer_of_the_year = {{flagicon|ESP}} Rafael Nadal

| comeback_player_of_the_year = {{flagicon|AUS}} Mark Phillipoussis

| previous = 2002

| next = 2004

}}

The 2003 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2003 tennis season. The ATP Tour is the elite tour for professional tennis organised by the ATP. The ATP Tour includes the four Grand Slam tournaments, the Tennis Masters Cup, the ATP Masters Series, the International Series Gold and the International Series tournaments.

Season summary

The 2003 ATP Tour season saw 3 new Grand Slam champions and saw Andre Agassi win his eighth and last Grand Slam title when winning the Australian Open for the fourth time.{{cite news|url=https://ausopen.com/articles/features/ao-flashback-remembering-andre-agassis-2003-title-20-years-on|title=AO Flashback: Remembering Andre Agassi's 2003 title, 20 years on|access-date=21 December 2023 |work=ausopen}} Roger Federer would win his first of 20 Grand Slam titles by defeating Aussie Mark Philippoussis 7–6(7–5), 6–2, 7–6(7–3) in the final at Wimbledon.{{cite news|url=https://www.worldtennismagazine.com/archives/22153|title=Roger Federer’s First Wimbledon Title – A Look Back 20 Years|access-date=21 December 2023 |work=worldtennismagazine}} Federer would also win his maiden Tennis Masters Cup by defeating Agassi in the final 6–3, 6–0, 6–4. Federer would win 7 titles overall, including winning in Dubai and Halle, tournaments he would have a lot of success at in later seasons. 2003 would be a breakout season for Federer as a dominant player at the very top of the game, improving his year-end ATP ranking from 6 the previous season to 2.

Andy Roddick also had a breakthrough season by winning his first and only Grand Slam title at the US Open and ending the season as world No. 1, 160 points ahead of Federer. Roddick started the season off with an epic victory in the quarterfinals of the Australian Open over Younes El Aynaoui, winning 21–19 in the fifth set after playing for 4 hours and 59 minutes.{{cite news|url=https://www.theguardian.com/sport/2003/jan/22/tennis1|title=Roddick survives 83-game epic|access-date=21 December 2023 |work=The Guardian}} By doing this, Roddick reached his first major semifinal but was eventually defeated by Rainer Schüttler.

Roddick reached the semifinals of Wimbledon where he was defeated by Federer in straight sets but then won his maiden Masters Series title in Montreal, beating Federer in the semis on route. Roddick would then go on to win back to back Masters Series titles by winning Cincinnati.{{cite news|url=https://www.eurosport.com/tennis/masters-cincinnati/2003/roddick-overcomes-fish_sto471360/story.shtml|title=Roddick overcomes Fish|access-date=21 December 2023 |work=Eurosport}} At the US Open, Roddick saved a match point en route to the title in the semifinals against David Nalbandian, which he won 6–7(4–7), 3–6, 7–6(9–7), 6–1, 6–3. He went on to defeat Juan Carlos Ferrero 6–3, 7–6(7–2), 6–3 in the final.{{cite news|url=https://apnews.com/sports/tennis-u-s-open-tennis-championships-andy-roddick-16acbacb96fc4691dd254696a8ff965d|title=Today in Sports - Andy Roddick wins his first Grand Slam tournament title|access-date=21 December 2023 |work=APnews}} Roddick became one of only three players to win Canada, Cincinnati and the US Open consecutively along with Patrick Rafter in 1998 and Rafael Nadal in 2013.

Juan Carlos Ferrero also added his name to the list of maiden Grand Slam champions in 2003 when he won the French Open, having lost in the final the previous year. He defeated surprise finalist Martin Verkerk 6–1, 6–3, 6–2. Ferrero also captured Masters Series titles in Monte Carlo and Madrid and went on to end the season as world No. 3.

Andre Agassi won his eighth and final Grand Slam title by defeating Rainer Schüttler in the final of the Australian Open 6–2, 6–2, 6–1. In March, Agassi won his sixth Miami Masters title and his 16th Masters title overall. On April 28, Agassi reclaimed his position at the top of the ATP rankings for the first time since 2000. He then replicated this feat when recapturing the No. 1 ranking on June 16, a position he maintained for 13 weeks. By being No. 1 in the rankings, he became the oldest world No. 1 at 33 years and 3 months of age, a record not broken till Federer got to the top of the rankings in 2018.{{cite news|url=https://www.telegraph.co.uk/tennis/2018/02/17/roger-federer-puts-body-line-achieve-oldest-world-no-1-dream/|title=How Roger Federer unseated Andre Agassi to become the oldest world No1|access-date=21 December 2023 |work=The Telegraph}} Agassi lost in the semifinals of the US Open to Ferrero.

Young Argentine Guillermo Coria had a breakout season in 2003, rising from world No. 45 in 2002 to 5 at the end of the year. He won his first Masters Series title in Hamburg and reached the semifinals of the French Open. Félix Mantilla caused an upset by capturing his first and only Masters title in Rome, picking up wins over Costa, Kafelnikov and Federer on the way. 4-time Wimbledon semi finalist Tim Henman also captured his lone Masters Series title by impressively coming through the draw in Paris, defeating the likes of Federer and Roddick on the way before defeating Andrei Pavel in the final.

2002 Wimbledon champion Lleyton Hewitt’s form dropped in 2003, losing his world No. 1 position and dropping out of the top 10. Despite failing to reach a Grand Slam semifinal in 2003, Hewitt did however defend the title at the Indian Wells Masters and was instrumental in helping Australia win the Davis Cup title. Hewitt defeated Federer in the semifinals from 2 sets down to help Australia reach the final. He then defeated Ferrero in the final in another 5 set victory to help Australia capture their 28th Davis Cup crown. Mark Philippoussis beat Ferrero to see Australia claim the victory over Spain 3–1 in Melbourne.

Schedule

The table below shows the 2003 ATP Tour schedule.

;Key

class="wikitable" style="font-size:95%; width:14%;"
style="background:#F3E6D7;"

| Grand Slam

style="background:#FFFFCC;"

| Tennis Masters Cup

style="background:#E9E9E9;"

| Tennis Masters Series

style="background:#DDF3D1;"

| ATP International Series Gold

style="background:#fff;"

| ATP International Series

style="background:#ECF2FF;"

| Team Events

= January =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=7|30 Dec

style="background:#ECF2FF;"| Hopman Cup
Perth, Australia
ITF Mixed Team Championships
Hard (i) – 8 teams (RR)
{{USA}}
3–0
{{AUS}}{{center|Round Robin (Group A)}}{{ESP}}
{{UZB}}
{{BEL}}
{{center|Round Robin (Group B)}}{{CZE}}
{{ITA}}
{{SVK}}
valign=top

| rowspan=2| 2003 AAPT Championships
Adelaide, Australia
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|RUS}} Nikolay Davydenko
6–2, 7–6(7–3)
{{flagicon|BEL}} Kristof Vliegenrowspan=2| {{flagicon|NED}} Richard Krajicek
{{flagicon|ROU}} Adrian Voinea
rowspan=2| {{flagicon|USA}} Brian Vahaly
{{flagicon|ESP}} Alberto Martín
{{flagicon|ARG}} Mariano Zabaleta
{{flagicon|FRA}} Antony Dupuis
valign=top

|{{flagicon|RSA}} Jeff Coetzee
{{flagicon|RSA}} Chris Haggard
2–6, 6–4, 7–6(9–7)

{{flagicon|BLR}} Max Mirnyi
{{flagicon|USA}} Jeff Morrison
valign=top

| rowspan=2| 2003 Tata Open
Chennai, India
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|THA}} Paradorn Srichaphan
6–3, 6–1
{{flagicon|SVK}} Karol Kučerarowspan=2| {{flagicon|ARG}} Juan Ignacio Chela
{{flagicon|FRA}} Jean-René Lisnard
rowspan=2| {{flagicon|ARG}} Guillermo Cañas
{{flagicon|GER}} Tomas Behrend
{{flagicon|GER}} Rainer Schüttler
{{flagicon|ARM}} Sargis Sargsian
valign=top

|{{flagicon|AUT}} Julian Knowle
{{flagicon|GER}} Michael Kohlmann
7–6(7–1), 7–6(7–3)

{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
valign=top

| rowspan=2| 2003 Qatar Open
Doha, Qatar
ATP International Series
$1,000,000 – Hard
SinglesDoubles

{{flagicon|AUT}} Stefan Koubek
6–4, 6–4
{{flagicon|USA}} Jan-Michael Gambillrowspan=2| {{flagicon|RUS}} Mikhail Youzhny
{{flagicon|MAR}} Younes El Aynaoui
rowspan=2| {{flagicon|SUI}} Roger Federer
{{flagicon|ESP}} Fernando Vicente
{{flagicon|FRA}} Fabrice Santoro
{{flagicon|SWE}} Andreas Vinciguerra
valign=top

|{{flagicon|CZE}} Martin Damm
{{flagicon|CZE}} Cyril Suk
3–6, 6–1, 7–6(7–4)

{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
valign=top

|rowspan=4|6 Jan

rowspan=2| 2003 Heineken Open
Auckland, New Zealand
ATP International Series
$380,000 – Hard
SinglesDoubles
{{flagicon|BRA}} Gustavo Kuerten
6–3, 7–5
{{flagicon|SVK}} Dominik Hrbatýrowspan=2| {{flagicon|ESP}} Félix Mantilla
{{flagicon|ARG}} Mariano Zabaleta
rowspan=2| {{flagicon|CZE}} Jiří Novák
{{flagicon|ESP}} David Ferrer
{{flagicon|ARG}} Guillermo Coria
{{flagicon|AUT}} Stefan Koubek
valign=top

|{{flagicon|RSA}} David Adams
{{flagicon|RSA}} Robbie Koenig
7–6(7–5), 3–6, 6–3

{{flagicon|CZE}} Tomáš Cibulec
{{flagicon|CZE}} Leoš Friedl
valign=top

| rowspan=2| 2003 Adidas International
Sydney, Australia
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|KOR}} Hyung-Taik Lee
4–6, 7–6(8–6), 7–6(7–4)
{{flagicon|ESP}} Juan Carlos Ferrerorowspan=2| {{flagicon|RSA}} Wayne Ferreira
{{flagicon|GER}} Rainer Schüttler
rowspan=2| {{flagicon|RUS}} Marat Safin
{{flagicon|ARG}} Franco Squillari
{{flagicon|USA}} Mardy Fish
{{flagicon|THA}} Paradorn Srichaphan
valign=top

|{{flagicon|AUS}} Paul Hanley
{{flagicon|AUS}} Nathan Healey
7–6(7–3), 6–4

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|AUS}} Joshua Eagle
valign=top

|rowspan=3|13 Jan
20 Jan

bgcolor=#F3E6D7 rowspan=3| 2003 Australian Open
Melbourne, Australia
Grand Slam
$10,591,690 – Hard – 128S/64D/32XD
SinglesDoublesMixed doubles
{{flagicon|USA}} Andre Agassi
6–2, 6–2, 6–1
{{flagicon|GER}} Rainer Schüttlerrowspan=3| {{flagicon|USA}} Andy Roddick
{{flagicon|RSA}} Wayne Ferreira
rowspan=3| {{flagicon|MAR}} Younes El Aynaoui
{{flagicon|ARG}} David Nalbandian
{{flagicon|ESP}} Juan Carlos Ferrero
{{flagicon|FRA}} Sébastien Grosjean
valign=top

|{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro
6–4, 3–6, 6–3

{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
valign=top

| {{flagicon|IND}} Leander Paes
{{flagicon|USA}} Martina Navratilova
6–4, 7–5

{{flagicon|AUS}} Todd Woodbridge
{{flagicon|GRE}} Eleni Daniilidou
valign=top

|rowspan=2|27 Jan

rowspan=2| 2003 Milan Open
Milan, Italy
ATP International Series
$380,000 – Carpet (i)
SinglesDoubles
{{flagicon|NED}} Martin Verkerk
6–4, 5–7, 7–5
{{flagicon|RUS}} Yevgeny Kafelnikovrowspan=2| {{flagicon|FIN}} Jarkko Nieminen
{{flagicon|CRO}} Ivan Ljubičić
rowspan=2| {{flagicon|NED}} Richard Krajicek
{{flagicon|SWE}} Jonas Björkman
{{flagicon|FRA}} Julien Varlet
{{flagicon|ITA}} Davide Sanguinetti
valign=top

|{{flagicon|CZE}} Petr Luxa
{{flagicon|CZE}} Radek Štěpánek
6–4, 7–6(7–4)

{{flagicon|CZE}} Tomáš Cibulec
{{flagicon|CZE}} Pavel Vízner

= February =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|3 Feb

style="background:#ECF2FF;"|Davis Cup by BNP Paribas First Round
Bucharest, Romania – Carpet (i)
Arnhem, Netherlands – Carpet (i)
Sydney, Australia – Clay (red)
Helsingborg, Sweden – Carpet (i)
Zagreb, Croatia – Carpet (i)
Seville, Spain – Clay (red)
Buenos Aires, Argentina – Clay (red)
Ostrava, Czech Republic – Clay (red) (i)
{{center|First-round winners}}{{davis|FRA}} 4–1
{{davis|SUI}} 3–2
{{davis|AUS}} 4–1
{{davis|SWE}} 3–2
{{davis|CRO}} 4–1
{{davis|ESP}} 5–0
{{davis|ARG}} 5–0
{{davis|RUS}} 3–2
{{center|First-round losers}}{{davis|ROU}}
{{davis|NED}}
{{davis|GBR}}
{{davis|BRA}}
{{davis|USA}}
{{davis|BEL}}
{{davis|GER}}
{{davis|CZE}}
bgcolor=#ededed|bgcolor=#ededed|
valign=top

|rowspan=6|10 Feb

rowspan=2| 2003 Open 13
Marseille, France
ATP International Series
$500,000 – Hard (i)
SinglesDoubles
{{flagicon|SUI}} Roger Federer
6–2, 7–6(8–6)
{{flagicon|SWE}} Jonas Björkmanrowspan=2| {{flagicon|SVK}} Karol Kučera
{{flagicon|FRA}} Nicolas Escudé
rowspan=2| {{flagicon|NED}} Raemon Sluiter
{{flagicon|BEL}} Olivier Rochus
{{flagicon|SVK}} Dominik Hrbatý
{{flagicon|FRA}} Rodolphe Cadart
valign=top

|{{flagicon|FRA}} Sébastien Grosjean
{{flagicon|FRA}} Fabrice Santoro
6–1, 6–4

{{flagicon|CZE}} Tomáš Cibulec
{{flagicon|CZE}} Pavel Vízner
valign=top

| rowspan=2| 2003 Siebel Open
San Jose, USA
ATP International Series
$380,000 – Hard (i)
SinglesDoubles

{{flagicon|USA}} Andre Agassi
6–3, 6–1
{{flagicon|ITA}} Davide Sanguinettirowspan=2| {{flagicon|USA}} James Blake
{{flagicon|USA}} Justin Gimelstob
rowspan=2| {{flagicon|BLR}} Vladimir Voltchkov
{{flagicon|RUS}} Nikolay Davydenko
{{flagicon|USA}} Vincent Spadea
{{flagicon|DEN}} Kenneth Carlsen
valign=top

|{{flagicon|KOR}} Hyung-Taik Lee
{{flagicon|BLR}} Vladimir Voltchkov
7–5, 4–6, 6–3

{{flagicon|USA}} Paul Goldstein
{{flagicon|USA}} Robert Kendrick
valign=top

| rowspan=2| 2003 Bell South Open
Viña del Mar, Chile
ATP International Series
$345,000 – Clay
SinglesDoubles

{{flagicon|ESP}} David Sánchez
1–6, 6–3, 6–3
{{flagicon|CHI}} Marcelo Ríosrowspan=2| {{flagicon|ARG}} Gastón Gaudio
{{flagicon|ESP}} Albert Montañés
rowspan=2| {{flagicon|ESP}} Félix Mantilla
{{flagicon|ARG}} Agustín Calleri
{{flagicon|ITA}} Andrea Gaudenzi
{{flagicon|CZE}} Jiří Vaněk
valign=top

|{{flagicon|ARG}} Agustín Calleri
{{flagicon|ARG}} Mariano Hood
6–3, 1–6, 6–4

{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
valign=top

|rowspan=6|17 Feb

bgcolor=#DDF3D1 rowspan=2|2003 Kroger St. Jude International
Memphis, USA
ATP International Series Gold
$690,000 – Hard (i)
SinglesDoubles
{{flagicon|USA}} Taylor Dent
6–1, 6–4
{{flagicon|USA}} Andy Roddickrowspan=2| {{flagicon|USA}} Brian Vahaly
{{flagicon|USA}} Vincent Spadea
rowspan=2| {{flagicon|USA}} Robby Ginepri
{{flagicon|GEO}} Irakli Labadze
{{flagicon|BLR}} Vladimir Voltchkov
{{flagicon|USA}} Mardy Fish
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
6–2, 7–6(7–3)

{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
valign=top

|bgcolor=#DDF3D1 rowspan=2| 2003 ABN AMRO World Tennis Tournament
Rotterdam, Netherlands
ATP International Series Gold
$800,000 – Hard (i)
SinglesDoubles

{{flagicon|BLR}} Max Mirnyi
7–6(7–3), 6–4
{{flagicon|NED}} Raemon Sluiterrowspan=2| {{flagicon|FRA}} Sébastien Grosjean
{{flagicon|SUI}} Roger Federer
rowspan=2| {{flagicon|ESP}} Juan Carlos Ferrero
{{flagicon|FRA}} Nicolas Escudé
{{flagicon|RUS}} Yevgeny Kafelnikov
{{flagicon|NED}} Sjeng Schalken
valign=top

|{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
7–6(7–3), 6–2

{{flagicon|SUI}} Roger Federer
{{flagicon|BLR}} Max Mirnyi
valign=top

| rowspan=2| 2003 Copa AT&T
Buenos Aires, Argentina
ATP International Series
$380,000 – Clay
SinglesDoubles

{{flagicon|ESP}} Carlos Moyà
6–3, 4–6, 6–4
{{flagicon|ARG}} Guillermo Coriarowspan=2| {{flagicon|BRA}} Gustavo Kuerten
{{flagicon|ARG}} Gastón Gaudio
rowspan=2| {{flagicon|PER}} Luis Horna
{{flagicon|ESP}} Félix Mantilla
{{flagicon|ARG}} Juan Ignacio Chela
{{flagicon|ARG}} David Nalbandian
valign=top

|{{flagicon|ARG}} Mariano Hood
{{flagicon|ARG}} Sebastián Prieto
6–2, 6–2

{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} David Nalbandian
valign=top

|rowspan=6|24 Feb

bgcolor=#DDF3D1 rowspan=2| 2003 Abierto Mexicano Telefonica Movistar
Acapulco, Mexico
ATP International Series Gold
$690,000 – Clay
SinglesDoubles
{{flagicon|ARG}} Agustín Calleri
7–5, 3–6, 6–3
{{flagicon|ARG}} Mariano Zabaletarowspan=2| {{flagicon|ESP}} Félix Mantilla
{{flagicon|BRA}} Gustavo Kuerten
rowspan=2| {{flagicon|ESP}} Carlos Moyà
{{flagicon|CHI}} Marcelo Ríos
{{flagicon|CHI}} Fernando González
{{flagicon|PER}} Iván Miranda
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
6–3, 6–3

{{flagicon|ESP}} David Ferrer
{{flagicon|ESP}} Fernando Vicente
valign=top

|bgcolor=#DDF3D1 rowspan=2| 2003 Dubai Tennis Open
Dubai, United Arab Emirates
ATP International Series Gold
$1,000,000 – Hard
SinglesDoubles

{{flagicon|SUI}} Roger Federer
6–1, 7–6(7–2)
{{flagicon|CZE}} Jiří Novákrowspan=2| {{flagicon|CRO}} Ivan Ljubičić
{{flagicon|ESP}} Tommy Robredo
rowspan=2| {{flagicon|MAR}} Hicham Arazi
{{flagicon|GER}} Rainer Schüttler
{{flagicon|NED}} Sjeng Schalken
{{flagicon|ESP}} Feliciano López
valign=top

|{{flagicon|IND}} Leander Paes
{{flagicon|CZE}} David Rikl
6–3, 6–0

{{flagicon|ZIM}} Wayne Black
{{flagicon|ZIM}} Kevin Ullyett
valign=top

| rowspan=2| 2003 Copenhagen Open
Copenhagen, Denmark
ATP International Series
$380,000 – Hard (i)
SinglesDoubles

{{flagicon|SVK}} Karol Kučera
7–6(7–4), 6–4
{{flagicon|BEL}} Olivier Rochusrowspan=2| {{flagicon|CZE}} Radek Štěpánek
{{flagicon|AUS}} Wayne Arthurs
rowspan=2| {{flagicon|GER}} Tomas Behrend
{{flagicon|SVK}} Karol Beck
{{flagicon|SUI}} Michel Kratochvil
{{flagicon|SWE}} Magnus Norman
valign=top

|{{flagicon|CZE}} Tomáš Cibulec
{{flagicon|CZE}} Pavel Vízner
7–5, 5–7, 6–2

{{flagicon|AUT}} Julian Knowle
{{flagicon|GER}} Michael Kohlmann

= March =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=4|3 Mar

rowspan=2| Delray Beach International Tennis Championships
Delray Beach, USA
ATP International Series
$380,000 – Hard
SinglesDoubles
{{flagicon|USA}} Jan-Michael Gambill
6–0, 7–6(7–5)
{{flagicon|USA}} Mardy Fishrowspan=2| {{flagicon|CHI}} Marcelo Ríos
{{flagicon|USA}} Robert Kendrick
rowspan=2|{{flagicon|ESP}} Alberto Martín
{{flagicon|KOR}} Hyung-Taik Lee
{{flagicon|BRA}} Flávio Saretta
{{flagicon|BLR}} Vladimir Voltchkov
valign=top

|{{flagicon|IND}} Leander Paes
{{flagicon|SCG}} Nenad Zimonjić
7–5, 3–6, 7–5

{{flagicon|NED}} Raemon Sluiter
{{flagicon|NED}} Martin Verkerk
valign=top

|rowspan=2| Franklin Templeton Tennis Classic
Scottsdale, USA
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|AUS}} Lleyton Hewitt
6–4, 6–4
{{flagicon|AUS}} Mark Philippoussisrowspan=2| {{flagicon|USA}} Taylor Dent
{{flagicon|ARG}} Mariano Zabaleta
rowspan=2|{{flagicon|ESP}} Àlex Corretja
{{flagicon|ESP}} David Sánchez
{{flagicon|ARG}} David Nalbandian
{{flagicon|USA}} James Blake
valign=top

|{{flagicon|USA}} James Blake
{{flagicon|BAH}} Mark Merklein
6–4, 6–7(2–7), 7–6(7–5)

{{flagicon|AUS}} Lleyton Hewitt
{{flagicon|AUS}} Mark Philippoussis
valign=top

|rowspan=2|10 Mar

bgcolor=#E9E9E9 rowspan=2| Pacific Life Open
Indian Wells, USA
Tennis Masters Series
$2,450,000 – Hard
SinglesDoubles
{{flagicon|AUS}} Lleyton Hewitt
6–1, 6–1
{{flagicon|BRA}} Gustavo Kuertenrowspan=2| {{flagicon|USA}} Vincent Spadea
{{flagicon|GER}} Rainer Schüttler
rowspan=2|{{flagicon|USA}} Robby Ginepri
{{flagicon|USA}} Brian Vahaly
{{flagicon|USA}} James Blake
{{flagicon|USA}} Andy Roddick
valign=top

|{{flagicon|RSA}} Wayne Ferreira
{{flagicon|RUS}} Yevgeny Kafelnikov
3–6, 7–5, 6–4

{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
valign=top

|rowspan=2|17 Mar
24 Mar

bgcolor=#E9E9E9 rowspan=2| NASDAQ-100 Open
Key Biscayne, USA
Tennis Masters Series
$3,250,000 – Hard
SinglesDoubles
{{flagicon|USA}} Andre Agassi
6–3, 6–3
{{flagicon|ESP}} Carlos Moyàrowspan=2| {{flagicon|THA}} Paradorn Srichaphan
{{flagicon|ESP}} Albert Costa
rowspan=2|{{flagicon|USA}} Robby Ginepri
{{flagicon|USA}} Todd Martin
{{flagicon|SUI}} Roger Federer
{{flagicon|MAR}} Younes El Aynaoui
valign=top

|{{flagicon|SUI}} Roger Federer
{{flagicon|BLR}} Max Mirnyi
7–5, 6–3

{{flagicon|IND}} Leander Paes
{{flagicon|CZE}} David Rikl
valign=top

|31 Mar

style="background:#ECF2FF;"|Davis Cup by BNP Paribas Quarterfinals
Toulouse, France – Hard (i)
Malmö, Sweden – Hard (i)
Valencia, Spain – Clay (red)
Buenos Aires, Argentina – Clay (red)
{{center|Quarterfinal winners}}{{davis|SUI}} 3–2
{{davis|AUS}} 5–0
{{davis|ESP}} 5–0
{{davis|ARG}} 5–0
{{center|Quarterfinal losers}}{{davis|FRA}}
{{davis|SWE}}
{{davis|CRO}}
{{davis|RUS}}
bgcolor=#ededed|bgcolor=#ededed|

= April =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=4|7 Apr

rowspan=2| 2003 Grand Prix Hassan II
Casablanca, Morocco
ATP International Series
$400,000 – Clay
SinglesDoubles
{{flagicon|FRA}} Julien Boutter
6–2, 2–6, 6–1
{{flagicon|MAR}} Younes El Aynaouirowspan=2| {{flagicon|MAR}} Hicham Arazi
{{flagicon|SVK}} Dominik Hrbatý
rowspan=2|{{flagicon|CHI}} Nicolás Massú
{{flagicon|FRA}} Olivier Mutis
{{flagicon|ARG}} Federico Browne
{{flagicon|BRA}} Flávio Saretta
valign=top

|{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
6–3, 7–5

{{flagicon|USA}} Devin Bowen
{{flagicon|AUS}} Ashley Fisher
valign=top

|rowspan=2| 2003 Estoril Open
Oeiras, Portugal
ATP International Series
$525,000 – Clay
SinglesDoubles

{{flagicon|RUS}} Nikolay Davydenko
6–4, 6–3
{{flagicon|ARG}} Agustín Callerirowspan=2| {{flagicon|ESP}} Tommy Robredo
{{flagicon|BLR}} Max Mirnyi
rowspan=2|{{flagicon|ESP}} Galo Blanco
{{flagicon|CHI}} Fernando González
{{flagicon|RUS}} Yevgeny Kafelnikov
{{flagicon|ESP}} Feliciano López
valign=top

|{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
6–1, 6–2

{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} Mariano Hood
valign=top

|rowspan=2|14 Apr

bgcolor=#E9E9E9 rowspan=2| 2003 Monte Carlo Masters
Roquebrune-Cap-Martin, France
Tennis Masters Series
$2,450,000 – Clay
SinglesDoubles
{{flagicon|ESP}} Juan Carlos Ferrero
6–2, 6–2
{{flagicon|ARG}} Guillermo Coriarowspan=2| {{flagicon|USA}} Vincent Spadea
{{flagicon|ESP}} Carlos Moyà
rowspan=2|{{flagicon|ESP}} Alberto Martín
{{flagicon|ITA}} Filippo Volandri
{{flagicon|ARG}} Juan Ignacio Chela
{{flagicon|FRA}} Julien Boutter
valign=top

|{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
6–4, 3–6, 7–6(8–6)

{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro
valign=top

|rowspan=4|21 Apr

bgcolor=#DDF3D1 rowspan=2| 2003 Open Seat Godo
Barcelona, Spain
ATP International Series Gold
$1,000,000 – Clay
SinglesDoubles
{{flagicon|ESP}} Carlos Moyà
5–7, 6–2, 6–2, 3–0 ret.
{{flagicon|RUS}} Marat Safinrowspan=2| {{flagicon|ESP}} Juan Carlos Ferrero
{{flagicon|ARG}} Agustín Calleri
rowspan=2|{{flagicon|BRA}} Gustavo Kuerten
{{flagicon|ARG}} Gastón Gaudio
{{flagicon|ESP}} Tommy Robredo
{{flagicon|RUS}} Nikolay Davydenko
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
6–4, 6–3

{{flagicon|RSA}} Chris Haggard
{{flagicon|RSA}} Robbie Koenig
valign=top

|rowspan=2| 2003 U.S. Men's Clay Court Championships
Houston, USA
ATP International Series
$400,000 – Clay
SinglesDoubles

{{flagicon|USA}} Andre Agassi
3–6, 6–3, 6–4
{{flagicon|USA}} Andy Roddickrowspan=2| {{flagicon|AUT}} Jürgen Melzer
{{flagicon|FRA}} Olivier Mutis
rowspan=2|{{flagicon|BRA}} Ricardo Mello
{{flagicon|USA}} Mardy Fish
{{flagicon|USA}} James Blake
{{flagicon|BRA}} Fernando Meligeni
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
6–4, 6–3

{{flagicon|USA}} Jan-Michael Gambill
{{flagicon|USA}} Graydon Oliver
valign=top

|rowspan=4|28 Apr

rowspan=2| 2003 BMW Open
Munich, Germany
ATP International Series
$400,000 – Clay
SinglesDoubles
{{flagicon|SUI}} Roger Federer
6–1, 6–4
{{flagicon|FIN}} Jarkko Nieminenrowspan=2| {{flagicon|AUT}} Stefan Koubek
{{flagicon|RUS}} Yevgeny Kafelnikov
rowspan=2|{{flagicon|RUS}} Mikhail Youzhny
{{flagicon|GER}} Rainer Schüttler
{{flagicon|NED}} Sjeng Schalken
{{flagicon|CZE}} Radek Štěpánek
valign=top

|{{flagicon|ZIM}} Wayne Black
{{flagicon|ZIM}} Kevin Ullyett
6–3, 7–5

{{flagicon|AUS}} Joshua Eagle
{{flagicon|USA}} Jared Palmer
valign=top

|rowspan=2| 2003 CAM Open Comunidad Valenciana
Valencia, Spain
ATP International Series
$400,000 – Clay
SinglesDoubles

{{flagicon|ESP}} Juan Carlos Ferrero
6–2, 6–4
{{flagicon|BEL}} Christophe Rochusrowspan=2| {{flagicon|BRA}} Flávio Saretta
{{flagicon|ESP}} Fernando Vicente
rowspan=2|{{flagicon|ARG}} Agustín Calleri
{{flagicon|ARG}} Gastón Gaudio
{{flagicon|CHI}} Nicolás Massú
{{flagicon|ARM}} Sargis Sargsian
valign=top

|{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} Mariano Hood
6–1, 6–7(7–9), 6–4

{{flagicon|USA}} Brian MacPhie
{{flagicon|SCG}} Nenad Zimonjić

= May =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=2|5 May

bgcolor=#E9E9E9 rowspan=2| 2003 Telecom Italia Masters
Rome, Italy
Tennis Masters Series
$2,450,000 – Clay
SinglesDoubles
{{flagicon|ESP}} Félix Mantilla
7–5, 6–2, 7–6(10–8)
{{flagicon|SUI}} Roger Federerrowspan=2| {{flagicon|RUS}} Yevgeny Kafelnikov
{{flagicon|ESP}} Juan Carlos Ferrero
rowspan=2|{{flagicon|CRO}} Ivan Ljubičić
{{flagicon|NED}} Martin Verkerk
{{flagicon|ITA}} Filippo Volandri
{{flagicon|GER}} Rainer Schüttler
valign=top

|{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
6–1, 6–3

{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro
valign=top

|rowspan=2|12 May

bgcolor=#E9E9E9 rowspan=2| 2003 Hamburg Masters
Hamburg, Germany
Tennis Masters Series
$2,450,000 – Clay
SinglesDoubles
{{flagicon|ARG}} Guillermo Coria
6–3, 6–4, 6–4
{{flagicon|ARG}} Agustín Callerirowspan=2| {{flagicon|ARG}} David Nalbandian
{{flagicon|ARG}} Gastón Gaudio
rowspan=2|{{flagicon|CHI}} Fernando González
{{flagicon|RSA}} Wayne Ferreira
{{flagicon|AUS}} Mark Philippoussis
{{flagicon|BEL}} Olivier Rochus
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
6–4, 7–6(10)

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
valign=top

|rowspan=3|19 May

bgcolor=#ECF2FF| 2003 ARAG World Team Cup
Düsseldorf, Germany
World Team Cup
$1,850,000 – Clay
{{davis|CHI}}
2–1
{{davis|CZE}}{{center|Round Robin (Red Group)}}{{davis|AUS}}
{{davis|ESP}}
{{davis|USA}}
{{center|Round Robin (Blue Group)}}{{davis|ARG}}
{{davis|GER}}
{{davis|SWE}}
valign=top

|rowspan=2| 2003 Internationaler Raiffeisen Grand Prix
St. Poelten, Austria
ATP International Series
$380,000 – Clay
SinglesDoubles

{{flagicon|USA}} Andy Roddick
6–3, 6–2
{{flagicon|RUS}} Nikolay Davydenkorowspan=2| {{flagicon|ESP}} David Sánchez
{{flagicon|NED}} Martin Verkerk
rowspan=2|{{flagicon|NED}} Richard Krajicek
{{flagicon|CRO}} Mario Ančić
{{flagicon|BRA}} Flávio Saretta
{{flagicon|FRA}} Antony Dupuis
valign=top

|{{flagicon|SWE}} Simon Aspelin
{{flagicon|ITA}} Massimo Bertolini
6–4, 6–7(8), 6–3

{{flagicon|ARM}} Sargis Sargsian
{{flagicon|SCG}} Nenad Zimonjić
valign=top

|rowspan=3|26 May
2 Jun

bgcolor=#F3E6D7 rowspan=3| 2003 French Open
Paris, France
Grand Slam
$7,202,717 – Clay – 128S/64D/32XD
SinglesDoublesMixed doubles
{{flagicon|ESP}} Juan Carlos Ferrero
6–1, 6–3, 6–2
{{flagicon|NED}} Martin Verkerkrowspan=3|{{Flagicon|ESP}} Albert Costa
{{flagicon|ARG}} Guillermo Coria
rowspan=3|{{Flagicon|ESP}} Tommy Robredo
{{Flagicon|CHI}} Fernando González
{{Flagicon|ESP}} Carlos Moyà
{{Flagicon|USA}} Andre Agassi
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
7–6(7–3), 6–3

{{flagicon|NED}} Paul Haarhuis
{{flagicon|RUS}} Yevgeny Kafelnikov
valign=top

| {{flagicon|USA}} Mike Bryan
{{flagicon|USA}} Lisa Raymond
6–3, 6–4

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|RUS}} Elena Likhovtseva

= June =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=4|9 Jun

rowspan=2| 2003 Gerry Weber Open
Halle, NRW, Germany
ATP International Series
$800,000 – Grass
SinglesDoubles
{{flagicon|SUI}} Roger Federer
6–1, 6–3
{{flagicon|GER}} Nicolas Kieferrowspan=2| {{flagicon|RUS}} Mikhail Youzhny
{{flagicon|FRA}} Arnaud Clément
rowspan=2|{{flagicon|MAR}} Younes El Aynaoui
{{flagicon|CZE}} Jiří Novák
{{flagicon|SVK}} Karol Kučera
{{flagicon|CZE}} Radek Štěpánek
valign=top

|{{flagicon|SWE}} Jonas Björkman
{{flagicon|AUS}} Todd Woodbridge
6–3, 6–4

{{flagicon|CZE}} Martin Damm
{{flagicon|CZE}} Cyril Suk
valign=top

|rowspan=2| 2003 Stella Artois Championships
Queen's Club, London, UK
ATP International Series
$800,000 – Grass
SinglesDoubles

{{flagicon|USA}} Andy Roddick
6–3, 6–3
{{flagicon|FRA}} Sébastien Grosjeanrowspan=2| {{flagicon|GBR}} Tim Henman
{{flagicon|USA}} Andre Agassi
rowspan=2|{{flagicon|AUS}} Lleyton Hewitt
{{flagicon|FRA}} Antony Dupuis
{{flagicon|USA}} Taylor Dent
{{flagicon|BEL}} Xavier Malisse
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
5–7, 6–4, 7–6(7–3)

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
valign=top

|rowspan=4|16 Jun

rowspan=2| 2003 Ordina Open
's-Hertogenbosch, Netherlands
ATP International Series
$380,000 – Grass
SinglesDoubles
{{flagicon|NED}} Sjeng Schalken
6–3, 6–4
{{flagicon|FRA}} Arnaud Clémentrowspan=2| {{flagicon|CZE}} Jan Vacek
{{flagicon|NED}} Raemon Sluiter
rowspan=2|{{flagicon|CZE}} Jiří Novák
{{flagicon|ESP}} Fernando Vicente
{{flagicon|ESP}} Tommy Robredo
{{flagicon|NED}} John van Lottum
valign=top

|{{flagicon|CZE}} Martin Damm
{{flagicon|CZE}} Cyril Suk
7–5, 7–6(7–4)

{{flagicon|USA}} Johnson
{{flagicon|IND}} Leander Paes
valign=top

|rowspan=2| 2003 Samsung Open
Nottingham, UK
ATP International Series
$380,000 – Grass
SinglesDoubles

{{flagicon|GBR}} Greg Rusedski
6–3, 6–2
{{flagicon|USA}} Mardy Fishrowspan=2| {{flagicon|MAR}} Hicham Arazi
{{flagicon|SWE}} Jonas Björkman
rowspan=2|{{flagicon|AUS}} Wayne Arthurs
{{flagicon|BLR}} Vladimir Voltchkov
{{flagicon|GER}} Alexander Popp
{{flagicon|USA}} Taylor Dent
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
7–6(7–3), 4–6, 7–6(7–4)

{{flagicon|AUS}} Joshua Eagle
{{flagicon|USA}} Jared Palmer
valign=top

|rowspan=3|23 Jun
30 Jun

rowspan="3" bgcolor="#F3E6D7" | 2003 Wimbledon Championships
Wimbledon, London, UK
Grand Slam
$7,229,233 – Grass – 128S/64D/64XD
SinglesDoublesMixed doubles
{{flagicon|SUI}} Roger Federer
7–6(7–5), 6–2, 7–6(7–3)
{{flagicon|AUS}} Mark Philippoussisrowspan=3|{{flagicon|USA}} Andy Roddick
{{flagicon|FRA}} Sébastien Grosjean
rowspan=3|{{flagicon|SWE}} Jonas Björkman
{{flagicon|NED}} Sjeng Schalken
{{flagicon|GBR}} Tim Henman
{{flagicon|GER}} Alexander Popp
valign=top

|{{flagicon|SWE}} Jonas Björkman
{{flagicon|AUS}} Todd Woodbridge
3–6, 6–3, 7–6(7–4), 6–3

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
valign=top

| {{flagicon|IND}} Leander Paes
{{flagicon|USA}} Martina Navratilova
6–3, 6–3

{{flagicon|ISR}} Andy Ram
{{flagicon|RUS}} Anastassia Rodionova

= July =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=6|7 Jul

rowspan=2| 2003 Synsam Swedish Open
Båstad, Sweden
ATP International Series
$380,000 – Clay
SinglesDoubles
{{flagicon|ARG}} Mariano Zabaleta
6–3, 6–4
{{flagicon|ECU}} Nicolás Lapenttirowspan=2| {{flagicon|ESP}} Carlos Moyà
{{flagicon|ESP}} Tommy Robredo
rowspan=2|{{flagicon|SWE}} Jonas Björkman
{{flagicon|RUS}} Mikhail Youzhny
{{flagicon|ESP}} Rafael Nadal
{{flagicon|ITA}} Filippo Volandri
valign=top

|{{flagicon|SWE}} Simon Aspelin
{{flagicon|ITA}} Massimo Bertolini
6–7(3–7), 6–0, 6–4

{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} Mariano Hood
valign=top

|rowspan=2| 2003 Allianz Suisse Open Gstaad
Gstaad, Switzerland
ATP International Series
$550,000 – Clay
SinglesDoubles

{{flagicon|CZE}} Jiří Novák
5–7, 6–3, 6–3, 1–6, 6–3
{{flagicon|SUI}} Roger Federerrowspan=2| {{flagicon|ARG}} Gastón Gaudio
{{flagicon|CZE}} Radek Štěpánek
rowspan=2|{{flagicon|ESP}} David Sánchez
{{flagicon|AUT}} Stefan Koubek
{{flagicon|ARG}} Juan Ignacio Chela
{{flagicon|GER}} Rainer Schüttler
valign=top

|{{flagicon|IND}} Leander Paes
{{flagicon|CZE}} David Rikl
6–3, 6–3

{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
valign=top

|rowspan=2| 2003 Miller Lite Hall of Fame Tennis Championships
Newport, USA
ATP International Series
$380,000 – Grass
SinglesDoubles

{{flagicon|USA}} Robby Ginepri
6–4, 6–7(3–7), 6–1
{{flagicon|AUT}} Jürgen Melzerrowspan=2| {{flagicon|FRA}} Gregory Carraz
{{flagicon|USA}} Bob Bryan
rowspan=2|{{flagicon|USA}} Justin Gimelstob
{{flagicon|PER}} Iván Miranda
{{flagicon|FRA}} Cyril Saulnier
{{flagicon|USA}} Jeff Salzenstein
valign=top

|{{flagicon|AUS}} Jordan Kerr
{{flagicon|AUS}} David MacPherson
7–6(7–4), 6–3

{{flagicon|AUT}} Julian Knowle
{{flagicon|AUT}} Jürgen Melzer
valign=top

|rowspan=4|14 Jul

bgcolor=#DDF3D1 rowspan=2| 2003 Mercedes Cup
Stuttgart, Germany
ATP International Series Gold
$765,000 – Clay
SinglesDoubles
{{flagicon|ARG}} Guillermo Coria
6–2, 6–2, 6–1
{{flagicon|ESP}} Tommy Robredorowspan=2| {{flagicon|CHI}} Fernando González
{{flagicon|ESP}} Feliciano López
rowspan=2|{{flagicon|GER}} Tomas Behrend
{{flagicon|ITA}} Filippo Volandri
{{flagicon|GER}} Rainer Schüttler
{{flagicon|RUS}} Mikhail Youzhny
valign=top

|{{flagicon|CZE}} Tomáš Cibulec
{{flagicon|CZE}} Pavel Vízner
3–6, 6–3, 6–4

{{flagicon|RUS}} Yevgeny Kafelnikov
{{flagicon|ZIM}} Kevin Ullyett
valign=top

|rowspan=2| 2003 Priority Telecom Dutch Open
Amersfoort, Netherlands
ATP International Series
$380,000 – Clay
SinglesDoubles

{{flagicon|CHI}} Nicolás Massú
6–4, 7–6(7–3), 6–2
{{flagicon|NED}} Raemon Sluiterrowspan=2| {{flagicon|ESP}} Albert Montañés
{{flagicon|PER}} Luis Horna
rowspan=2|{{flagicon|AUT}} Markus Hipfl
{{flagicon|ESP}} Rubén Ramírez Hidalgo
{{flagicon|NED}} Dennis van Scheppingen
{{flagicon|ESP}} Óscar Hernández
valign=top

|{{flagicon|USA}} Devin Bowen
{{flagicon|AUS}} Ashley Fisher
6–0, 6–4

{{flagicon|RSA}} Chris Haggard
{{flagicon|BRA}} André Sá
valign=top

|rowspan=6|21 Jul

bgcolor=#DDF3D1 rowspan=2| 2003 Generali Open
Kitzbühel, Austria
ATP International Series Gold
$925,000 – Clay
SinglesDoubles
{{flagicon|ARG}} Guillermo Coria
6–1, 6–4, 6–2
{{flagicon|CHI}} Nicolás Massúrowspan=2| {{flagicon|ARG}} Mariano Zabaleta
{{flagicon|ESP}} Feliciano López
rowspan=2|{{flagicon|ESP}} Juan Carlos Ferrero
{{flagicon|ECU}} Nicolás Lapentti
{{flagicon|ARG}} Gastón Gaudio
{{flagicon|ARG}} Juan Ignacio Chela
valign=top

|{{flagicon|CZE}} Martin Damm
{{flagicon|CZE}} Cyril Suk
6–4, 6–4

{{flagicon|AUT}} Jürgen Melzer
{{flagicon|AUT}} Alexander Peya
valign=top

|rowspan=2| 2003 RCA Championships
Indianapolis, USA
ATP International Series
$600,000 – Hard
SinglesDoubles

{{flagicon|USA}} Andy Roddick
7–6(7–2), 6–4
{{flagicon|THA}} Paradorn Srichaphanrowspan=2| {{flagicon|NED}} Sjeng Schalken
{{flagicon|FRA}} Nicolas Thomann
rowspan=2|{{flagicon|BEL}} Xavier Malisse
{{flagicon|USA}} Robby Ginepri
{{flagicon|GER}} Nicolas Kiefer
{{flagicon|AUS}} Scott Draper
valign=top

|{{flagicon|CRO}} Mario Ančić
{{flagicon|ISR}} Andy Ram
2–6, 7–6(7–3), 7–5

{{flagicon|USA}} Diego Ayala
{{flagicon|USA}} Robby Ginepri
valign=top
valign=top

|rowspan=2| 2003 Croatia Open
Umag, Croatia
ATP International Series
$400,000 – Clay
SinglesDoubles

{{flagicon|ESP}} Carlos Moyà
6–4, 3–6, 7–5
{{flagicon|ITA}} Filippo Volandrirowspan=2| {{flagicon|ESP}} Rafael Nadal
{{flagicon|SVK}} Dominik Hrbatý
rowspan=2|{{flagicon|ESP}} David Ferrer
{{flagicon|SWE}} Magnus Norman
{{flagicon|ESP}} Alberto Martín
{{flagicon|CHI}} Fernando González
valign=top

|{{flagicon|ESP}} Álex López Morón
{{flagicon|ESP}} Rafael Nadal
6–3, 6–1

{{flagicon|AUS}} Todd Perry
{{flagicon|JPN}} Thomas Shimada
valign=top

|rowspan=6|28 Jul

rowspan=2| 2003 Mercedes-Benz Cup
Los Angeles, USA
ATP International Series
$380,000 – Hard
SinglesDoubles
{{flagicon|RSA}} Wayne Ferreira
6–3, 4–6, 7–5
{{flagicon|AUS}} Lleyton Hewittrowspan=2| {{flagicon|GER}} Nicolas Kiefer
{{flagicon|AUS}} Mark Philippoussis
rowspan=2|{{flagicon|DEN}} Kenneth Carlsen
{{flagicon|USA}} Vincent Spadea
{{flagicon|BRA}} Gustavo Kuerten
{{flagicon|FRA}} Sébastien Grosjean
valign=top

|{{flagicon|USA}} Jan-Michael Gambill
{{flagicon|USA}} Travis Parrott
6–4, 3–6, 7–5

{{flagicon|AUS}} Joshua Eagle
{{flagicon|NED}} Sjeng Schalken
valign=top

|rowspan=2| 2003 Idea Prokom Open
Sopot, Poland
ATP International Series
$500,000 – Clay
SinglesDoubles

{{flagicon|ARG}} Guillermo Coria
7–5, 6–1
{{flagicon|ESP}} David Ferrerrowspan=2| {{flagicon|PER}} Luis Horna
{{flagicon|ESP}} Rubén Ramírez Hidalgo
rowspan=2|{{flagicon|ESP}} Juan Carlos Ferrero
{{flagicon|FRA}} Olivier Mutis
{{flagicon|SWE}} Andreas Vinciguerra
{{flagicon|ESP}} Galo Blanco
valign=top

|{{flagicon|POL}} Mariusz Fyrstenberg
{{flagicon|POL}} Marcin Matkowski
6–4, 6–7(7–9), 6–3

{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
valign=top

|rowspan=2| 2003 Legg Mason Tennis Classic
Washington, D.C., USA
ATP International Series
$600,000 – Hard
SinglesDoubles

{{flagicon|GBR}} Tim Henman
6–3, 6–4
{{flagicon|CHI}} Fernando Gonzálezrowspan=2| {{flagicon|USA}} Andre Agassi
{{flagicon|USA}} Andy Roddick
rowspan=2|{{flagicon|USA}} James Blake
{{flagicon|BLR}} Max Mirnyi
{{flagicon|THA}} Paradorn Srichaphan
{{flagicon|USA}} Mardy Fish
valign=top

|{{flagicon|RUS}} Yevgeny Kafelnikov
{{flagicon|ARM}} Sargis Sargsian
7–5, 4–6, 6–2

{{flagicon|RSA}} Chris Haggard
{{flagicon|AUS}} Paul Hanley

= August =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=2|4 Aug

bgcolor=#E9E9E9 rowspan=2| 2003 Canada Masters
Montreal, Canada
Tennis Masters Series
$2,450,000 – Hard
SinglesDoubles
{{flagicon|USA}} Andy Roddick
6–1, 6–3
{{flagicon|ARG}} David Nalbandianrowspan=2| {{flagicon|GER}} Rainer Schüttler
{{flagicon|SUI}} Roger Federer
rowspan=2|{{flagicon|USA}} Andre Agassi
{{flagicon|ESP}} Feliciano López
{{flagicon|BLR}} Max Mirnyi
{{flagicon|SVK}} Karol Kučera
valign=top

|{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
6–3, 7–6(7–4)

{{flagicon|SWE}} Jonas Björkman
{{flagicon|AUS}} Todd Woodbridge
valign=top

|rowspan=2|11 Aug

bgcolor=#E9E9E9 rowspan=2| 2003 Western & Southern Financial Group Masters
Mason, USA
Tennis Masters Series
$2,450,000 – Hard
SinglesDoubles
{{flagicon|USA}} Andy Roddick
4–6, 7–6(7–3), 7–6(7–4)
{{flagicon|USA}} Mardy Fishrowspan=2| {{flagicon|BLR}} Max Mirnyi
{{flagicon|GER}} Rainer Schüttler
rowspan=2|{{flagicon|ARG}} Guillermo Coria
{{flagicon|ARG}} Mariano Zabaleta
{{flagicon|ARG}} David Nalbandian
{{flagicon|USA}} Robby Ginepri
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
7–5, 7–6(7–5)

{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
valign=top

|rowspan=2|18 Aug

rowspan=2| 2003 TD Waterhouse Cup
Long Island, USA
ATP International Series
$380,000 – Hard
SinglesDoubles
{{flagicon|THA}} Paradorn Srichaphan
6–2, 6–4
{{flagicon|USA}} James Blakerowspan=2| {{flagicon|GER}} Nicolas Kiefer
{{flagicon|MAR}} Younes El Aynaoui
rowspan=2|{{flagicon|USA}} Jeff Morrison
{{flagicon|ARG}} Juan Ignacio Chela
{{flagicon|FIN}} Jarkko Nieminen
{{flagicon|BRA}} Gustavo Kuerten
valign=top

|{{flagicon|RSA}} Robbie Koenig
{{flagicon|ARG}} Martín Rodríguez
6–3, 7–6(7–4)

{{flagicon|CZE}} Martin Damm
{{flagicon|CZE}} Cyril Suk
valign=top

|rowspan=3|25 Aug
1 Sep

bgcolor=#F3E6D7 rowspan=3| 2003 US Open
Flushing, New York, United States
Grand Slam
$7,129,000 – Hard – 128S/64D/32XD
SinglesDoublesMixed doubles
{{flagicon|USA}} Andy Roddick
6–3, 7–6(7–2), 6–3
{{flagicon|ESP}} Juan Carlos Ferrerorowspan=3|{{flagicon|USA}} Andre Agassi
{{flagicon|ARG}} David Nalbandian
rowspan=3|{{flagicon|ARG}} Guillermo Coria
{{flagicon|AUS}} Lleyton Hewitt
{{flagicon|NED}} Sjeng Schalken
{{flagicon|MAR}} Younes El Aynaoui
valign=top

|{{flagicon|SWE}} Jonas Björkman
{{flagicon|AUS}} Todd Woodbridge
5–7, 6–0, 7–5

{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|SLO}} Katarina Srebotnik
5–7, 7–5, 7–6(7–5)

{{flagicon|CAN}} Daniel Nestor
{{flagicon|RUS}} Lina Krasnoroutskaya

= September =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=4|8 Sep

rowspan=2| 2003 BCR Open Romania
Bucharest, Romania
ATP International Series
$380,000 – Clay
SinglesDoubles
{{flagicon|ESP}} David Sánchez
6–2, 6–2
{{flagicon|CHI}} Nicolás Massúrowspan=2| {{flagicon|ARG}} José Acasuso
{{flagicon|ROU}} Răzvan Sabău
rowspan=2|{{flagicon|NED}} John van Lottum
{{flagicon|FRA}} Paul-Henri Mathieu
{{flagicon|ARM}} Sargis Sargsian
{{flagicon|ROU}} Victor Hănescu
valign=top

|{{flagicon|GER}} Karsten Braasch
{{flagicon|ARM}} Sargis Sargsian
7–6(9–7), 6–2

{{flagicon|SWE}} Simon Aspelin
{{flagicon|RSA}} Jeff Coetzee
valign=top

|rowspan=2| 2003 Brasil Open
Costa do Sauipe, Brazil
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|NED}} Sjeng Schalken
6–2, 6–4
{{flagicon|GER}} Rainer Schüttlerrowspan=2| {{flagicon|BRA}} Gustavo Kuerten
{{flagicon|ARG}} Gastón Etlis
rowspan=2|{{flagicon|PAR}} Ramón Delgado
{{flagicon|BRA}} Ricardo Mello
{{flagicon|DEN}} Kenneth Carlsen
{{flagicon|USA}} Vincent Spadea
valign=top

|{{flagicon|AUS}} Todd Perry
{{flagicon|JPN}} Thomas Shimada
6–2, 6–4

{{flagicon|USA}} Scott Humphries
{{flagicon|BAH}} Mark Merklein
valign=top

|15 Sep

style="background:#ECF2FF;"|Davis Cup by BNP Paribas Semifinals
Melbourne, Australia – Hard
Málaga, Spain – Clay
{{center|Semifinal winners}}{{davis|AUS}} 3–2
{{davis|ESP}} 3–2
{{center|Semifinal losers}}{{davis|SUI}}
{{davis|ARG}}
bgcolor=#ededed|bgcolor=#ededed|
valign=top

|rowspan=6|22 Sep

rowspan=2| 2003 Thailand Open
Bangkok, Thailand
ATP International Series
$550,000 – Hard
SinglesDoubles
{{flagicon|USA}} Taylor Dent
6–3, 7–6(7–5)
{{flagicon|ESP}} Juan Carlos Ferrerorowspan=2| {{flagicon|CRO}} Ivan Ljubičić
{{flagicon|FIN}} Jarkko Nieminen
rowspan=2|{{flagicon|FRA}} Gregory Carraz
{{flagicon|THA}} Paradorn Srichaphan
{{flagicon|ESP}} Carlos Moyà
{{flagicon|FRA}} Nicolas Thomann
valign=top

|{{flagicon|ISR}} Jonathan Erlich
{{flagicon|ISR}} Andy Ram
6–3, 7–6(7–4)

{{flagicon|AUS}} Andrew Kratzmann
{{flagicon|FIN}} Jarkko Nieminen
valign=top

|rowspan=2| 2003 Campionati Internazionali di Sicilia
Palermo, Italy
ATP International Series
$380,000 – Clay
SinglesDoubles

{{flagicon|CHI}} Nicolás Massú
1–6, 6–2, 7–6(0)
{{flagicon|FRA}} Paul-Henri Mathieurowspan=2| {{flagicon|PER}} Luis Horna
{{flagicon|ESP}} Alberto Martín
rowspan=2|{{flagicon|ESP}} Albert Montañés
{{flagicon|ESP}} Óscar Hernández
{{flagicon|ARG}} Franco Squillari
{{flagicon|ARG}} Diego Veronelli
valign=top

|{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} Mariano Hood
7–6(8–6), 6–7(3–7), 6–3

{{flagicon|CZE}} František Čermák
{{flagicon|CZE}} Leoš Friedl
valign=top

|rowspan=2| 2003 Heineken Open Shanghai
Shanghai, China
ATP International Series
$380,000 – Hard
SinglesDoubles

{{flagicon|AUS}} Mark Philippoussis
6–2, 6–1
{{flagicon|CZE}} Jiří Novákrowspan=2| {{flagicon|AUS}} Wayne Arthurs
{{flagicon|SWE}} Robin Söderling
rowspan=2|{{flagicon|SWE}} Magnus Norman
{{flagicon|CRO}} Ivo Karlović
{{flagicon|ARG}} Guillermo Cañas
{{flagicon|AUS}} Scott Draper
valign=top

|{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
6–2, 6–4

{{flagicon|CHN}} Zeng Shaoxuan
{{flagicon|CHN}} Zhu Benqiang
valign=top

|rowspan=6|29 Sep

bgcolor=#DDF3D1 rowspan=2| 2003 AIG Japan Open Tennis Championships
Tokyo, Japan
ATP International Series Gold
$690,000 – Hard
SinglesDoubles
{{flagicon|GER}} Rainer Schüttler
7–6(7–5), 6–2
{{flagicon|FRA}} Sébastien Grosjeanrowspan=2| {{flagicon|FRA}} Cyril Saulnier
{{flagicon|THA}} Paradorn Srichaphan
rowspan=2|{{flagicon|AUS}} Scott Draper
{{flagicon|AUS}} Mark Philippoussis
{{flagicon|KOR}} Hyung-Taik Lee
{{flagicon|USA}} Jan-Michael Gambill
valign=top

|{{flagicon|USA}} Justin Gimelstob
{{flagicon|GER}} Nicolas Kiefer
6–7(6–8), 6–3, 7–6(7–4)

{{flagicon|USA}} Scott Humphries
{{flagicon|BAH}} Mark Merklein
valign=top

|rowspan=2| 2003 Open de Moselle
Metz, France
ATP International Series
$380,000 – Hard (i)
SinglesDoubles

{{flagicon|FRA}} Arnaud Clément
6–3, 1–6, 6–3
{{flagicon|CHI}} Fernando Gonzálezrowspan=2| {{flagicon|ROU}} Andrei Pavel
{{flagicon|FRA}} Fabrice Santoro
rowspan=2|{{flagicon|ESP}} Tommy Robredo
{{flagicon|ESP}} David Ferrer
{{flagicon|GER}} Philipp Petzschner
{{flagicon|GER}} Alexander Popp
valign=top

|{{flagicon|FRA}} Julien Benneteau
{{flagicon|FRA}} Nicolas Mahut
7–6(7–2), 6–3

{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro
valign=top

|rowspan=2| 2003 Kremlin Cup
Moscow, Russia
ATP International Series
$1,000,000 – Carpet (i)
SinglesDoubles

{{flagicon|USA}} Taylor Dent
7–6(7–5), 6–4
{{flagicon|ARM}} Sargis Sargsianrowspan=2| {{flagicon|FRA}} Paul-Henri Mathieu
{{flagicon|USA}} Vincent Spadea
rowspan=2|{{flagicon|RUS}} Igor Andreev
{{flagicon|SUI}} Marc Rosset
{{flagicon|AUT}} Stefan Koubek
{{flagicon|ARG}} Agustín Calleri
valign=top

|{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
6–3, 7–5

{{flagicon|ZIM}} Wayne Black
{{flagicon|ZIM}} Kevin Ullyett

= October =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Quarterfinalists

valign=top

|rowspan=4|6 Oct

bgcolor=#DDF3D1 rowspan=2| 2003 CA Tennis Trophy
Vienna, Austria
ATP International Series Gold
$765,000 – Hard (i)
SinglesDoubles
{{flagicon|SUI}} Roger Federer
6–3, 6–3, 6–3
{{flagicon|ESP}} Carlos Moyàrowspan=2| {{flagicon|BLR}} Max Mirnyi
{{flagicon|GBR}} Tim Henman
rowspan=2|{{flagicon|FIN}} Jarkko Nieminen
{{flagicon|ESP}} Feliciano López
{{flagicon|SWE}} Jonas Björkman
{{flagicon|GER}} Nicolas Kiefer
valign=top

|{{flagicon|SUI}} Yves Allegro
{{flagicon|SUI}} Roger Federer
7–6(9–7), 7–5

{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
valign=top

|rowspan=2| 2003 Grand Prix de Tennis de Lyon
Lyon, France
ATP International Series
$800,000 – Carpet (i)
SinglesDoubles

{{flagicon|GER}} Rainer Schüttler
7–5, 6–3
{{flagicon|FRA}} Arnaud Clémentrowspan=2| {{flagicon|RUS}} Mikhail Youzhny
{{flagicon|THA}} Paradorn Srichaphan
rowspan=2|{{flagicon|BEL}} Xavier Malisse
{{flagicon|USA}} Robby Ginepri
{{flagicon|FRA}} Fabrice Santoro
{{flagicon|MAR}} Hicham Arazi
valign=top

|{{flagicon|ISR}} Jonathan Erlich
{{flagicon|ISR}} Andy Ram
6–1, 6–3

{{flagicon|FRA}} Julien Benneteau
{{flagicon|FRA}} Nicolas Mahut
valign=top

|rowspan=2|13 Oct

bgcolor=#E9E9E9 rowspan=2| 2003 Madrid Masters
Madrid, Spain
Tennis Masters Series
$2,450,000 – Hard (i)
SinglesDoubles
{{flagicon|ESP}} Juan Carlos Ferrero
6–3, 6–4, 6–3
{{flagicon|CHI}} Nicolás Massúrowspan=2| {{flagicon|SUI}} Roger Federer
{{flagicon|MAR}} Younes El Aynaoui
rowspan=2|{{flagicon|THA}} Paradorn Srichaphan
{{flagicon|ESP}} Feliciano López
{{flagicon|FRA}} Sébastien Grosjean
{{flagicon|ARG}} Juan Ignacio Chela
valign=top

|{{flagicon|IND}} Mahesh Bhupathi
{{flagicon|BLR}} Max Mirnyi
6–2, 2–6, 6–3

{{flagicon|ZIM}} Wayne Black
{{flagicon|ZIM}} Kevin Ullyett
valign=top

|rowspan=6|20 Oct

rowspan=2| 2003 Davidoff Swiss Indoors
Basel, Switzerland
ATP International Series
$1,000,000 – Carpet (i)
SinglesDoubles
{{flagicon|ARG}} Guillermo Coria
W/O
{{flagicon|ARG}} David Nalbandianrowspan=2| {{flagicon|USA}} Andy Roddick
{{flagicon|CRO}} Ivan Ljubičić
rowspan=2|{{flagicon|BEL}} Olivier Rochus
{{flagicon|GBR}} Tim Henman
{{flagicon|ESP}} Feliciano López
{{flagicon|ECU}} Nicolás Lapentti
valign=top

|{{flagicon|BAH}} Mark Knowles
{{flagicon|CAN}} Daniel Nestor
6–4, 6–2

{{flagicon|ARG}} Lucas Arnold Ker
{{flagicon|ARG}} Mariano Hood
valign=top

|rowspan=2| 2003 St. Petersburg Open
St. Petersburg, Russia
ATP International Series
$1,000,000 – Carpet (i)
SinglesDoubles

{{flagicon|BRA}} Gustavo Kuerten
6–4, 6–3
{{flagicon|ARM}} Sargis Sargsianrowspan=2| {{flagicon|GER}} Rainer Schüttler
{{flagicon|ESP}} Àlex Corretja
rowspan=2|{{flagicon|RUS}} Mikhail Youzhny
{{flagicon|GER}} Lars Burgsmüller
{{flagicon|USA}} Vincent Spadea
{{flagicon|FRA}} Sébastien Grosjean
valign=top

|{{flagicon|AUT}} Julian Knowle
{{flagicon|SCG}} Nenad Zimonjić
7–6(7–1), 6–3

{{flagicon|GER}} Michael Kohlmann
{{flagicon|GER}} Rainer Schüttler
valign=top

|rowspan=2| 2003 If Stockholm Open
Stockholm, Sweden
ATP International Series
$650,000 – Hard (i)
SinglesDoubles

{{flagicon|USA}} Mardy Fish
7–5, 3–6, 7–6(7–4)
{{flagicon|SWE}} Robin Söderlingrowspan=2| {{flagicon|ITA}} Davide Sanguinetti
{{flagicon|SWE}} Thomas Enqvist
rowspan=2|{{flagicon|SWE}} Jonas Björkman
{{flagicon|SWE}} Joachim Johansson
{{flagicon|CRO}} Mario Ančić
{{flagicon|USA}} Robby Ginepri
valign=top

|{{flagicon|SWE}} Jonas Björkman
{{flagicon|AUS}} Todd Woodbridge
6–3, 6–4

{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
valign=top

|rowspan=2|27 Oct

bgcolor=#E9E9E9 rowspan=2| 2003 BNP Paribas Masters
Paris, France
Tennis Masters Series
$2,450,000 – Carpet (i)
SinglesDoubles
{{flagicon|GBR}} Tim Henman
6–2, 7–6(8–6), 7–6(7–2)
{{flagicon|ROU}} Andrei Pavelrowspan=2| {{flagicon|CZE}} Jiří Novák
{{flagicon|USA}} Andy Roddick
rowspan=2|{{flagicon|MAR}} Hicham Arazi
{{flagicon|GER}} Rainer Schüttler
{{flagicon|SUI}} Roger Federer
{{flagicon|SWE}} Jonas Björkman
valign=top

|{{flagicon|AUS}} Wayne Arthurs
{{flagicon|AUS}} Paul Hanley
6–3, 1–6, 6–3

{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro

= November =

class=wikitable style=font-size:95%

! style="width:48px;"|Week

! style="width:250px;"|Tournament

! style="width:200px;"|Champions

! style="width:200px;"|Runners-up

! style="width:190px;"|Semifinalists

! style="width:190px;"|Round robin

valign=top

|rowspan=2|10 Nov

bgcolor=#FFFFCC rowspan=2| 2003 Tennis Masters Cup
Houston, USA
Tennis Masters Cup
$4,450,000 – Hard
SinglesDoubles
{{flagicon|SUI}} Roger Federer
6–3, 6–0, 6–4
{{flagicon|USA}} Andre Agassirowspan=2| {{flagicon|GER}} Rainer Schüttler
{{flagicon|USA}} Andy Roddick
rowspan=2| {{flagicon|ARG}} Guillermo Coria
{{flagicon|ESP}} Carlos Moyà
{{flagicon|ARG}} David Nalbandian
{{flagicon|ESP}} Juan Carlos Ferrero
valign=top

|{{flagicon|USA}} Bob Bryan
{{flagicon|USA}} Mike Bryan
6–7(6–8), 6–3, 3–6, 7–6(7–3), 6–4

{{flagicon|FRA}} Michaël Llodra
{{flagicon|FRA}} Fabrice Santoro
valign=top

|24 Nov

style="background:#ECF2FF;"|Davis Cup by BNP Paribas Final
Melbourne, Australia – Grass
{{davis|AUS}} 3–1{{davis|ESP}}bgcolor=#ededed|bgcolor=#ededed|

Statistical information

List of players and titles won (Grand Slam and Masters Cup titles in bold), listed in order of the number of titles won:

The following players won their first title:

Titles won by nation:

  • {{flagu|United States}} 16 (Australian Open, San Jose, Memphis, Delray Beach, Miami Masters, Houston, St. Poelten, London Queen's Club, Newport, Indianapolis, Canada Masters, Cincinnati Masters, US Open, Bangkok, Moscow and Stockholm)
  • {{flagicon|ESP}} Spain 10 (Viña del Mar, Buenos Aires, Monte Carlos Masters, Barcelona, Valencia, Rome Masters, French Open, Umag, Bucharest and Madrid Masters)
  • {{flagicon|ARG}} Argentina 7 (Acapulco, Hamburg Masters, Båstad, Stuttgart, Kitzbühel, Sopot and Basel)
  • {{flagicon|SUI}} Switzerland 7 (Marseille, Dubai, Munich, Halle, Wimbledon , Vienna and Masters Cup)
  • {{flagicon|AUS}} Australia 3 (Scottsdale, Indian Wells Masters and Shanghai)
  • {{flagicon|NED}} Netherlands 3 (Milan, 's-Hertogenbosch and Costa do Sauipe)
  • {{flagicon|GBR}} United Kingdom 3 (Nottingham; Washington, D.C., and Paris Masters)
  • {{flagicon|BRA}} Brazil 2 (Auckland and St. Petersburg)
  • {{flagicon|CHI}} Chile 2 (Amersfoort and Palermo)
  • {{flagicon|FRA}} France 2 (Casablanca and Metz)
  • {{flagicon|GER}} Germany 2 (Tokyo and Lyon)
  • {{flagicon|RUS}} Russia 2 (Adelaide and Estoril)
  • {{flagicon|THA}} Thailand 2 (Chennai and Long Island)
  • {{flagicon|AUT}} Austria 1 (Doha)
  • {{flagicon|BLR}} Belarus 1 (Rotterdam)
  • {{flagicon|CZE}} Czech Republic 1 (Gstaad)
  • {{flagicon|SVK}} Slovakia 1 (Copenhagen)
  • {{flagicon|RSA}} South Africa 1 (Los Angeles)
  • {{flagicon|KOR}} South Korea 1 (Sydney)

ATP entry rankings

= Singles =

valign="top"{| class="wikitable" style="font-size:95%"
colspan="4" | As of 30 December 2002
Rk

! width="200" | Name

! width="65" | Nation

! Points

align="right" | 1Lleyton Hewitt{{flag|AUS}}align="right" | 4,485
align="right" | 2Andre Agassi{{flagu|USA}}align="right" | 3,395
align="right" | 3Marat Safin{{flag|RUS}}align="right" | 2,845
align="right" | 4Juan Carlos Ferrero{{flag|ESP}}align="right" | 2,740
align="right" | 5Carlos Moyà{{flag|ESP}}align="right" | 2,630
align="right" | 6Roger Federer{{flag|SUI}}align="right" | 2,590
align="right" | 7Jiří Novák{{flag|CZE}}align="right" | 2,335
align="right" | 8Tim Henman{{flag|GBR}}align="right" | 2,215
align="right" | 9Albert Costa{{flag|ESP}}align="right" | 2,070
align="right" | 10Andy Roddick{{flagu|USA}}align="right" | 2,045
align="right" | 11Tommy Haas{{flag|GER}}align="right" | 2,020
align="right" | 12David Nalbandian{{flag|ARG}}align="right" | 1,775
align="right" | 13Pete Sampras{{flagu|USA}}align="right" | 1,735
align="right" | 14Thomas Johansson{{flag|SWE}}align="right" | 1,725
align="right" | 15Guillermo Cañas{{flag|ARG}}align="right" | 1,725
align="right" | 16Paradorn Srichaphan{{flag|THA}}align="right" | 1,646
align="right" | 17Sébastien Grosjean{{flag|FRA}}align="right" | 1,640
align="right" | 18Fernando González{{flag|CHI}}align="right" | 1,636
align="right" | 19Àlex Corretja{{flag|ESP}}align="right" | 1,555
align="right" | 20Sjeng Schalken{{flag|NED}}align="right" | 1,525

||

class="wikitable" style="font-size:95%"
colspan="7" | Year-end rankings 2003 (29 December 2003){{cite web |title=ATP Year-end top 20 |url=https://www.atptour.com/en/rankings/singles?rankRange=0-100&rankDate=2003-12-29|publisher=ATP |access-date=31 August 2023}}
valign="top"

! Rk

! width="200" | Name

! width="65" | Nation

! Points

! High

! Low

! Change

align="right" | 1Andy Roddick{{flagu|USA}}align="right" | 4,535align="center" | 1align="center" | 10align="center" | {{increase}} 9
align="right" | 2Roger Federer{{flag|SUI}}align="right" | 4,375align="center" | 2align="center" | 6align="center" | {{increase}} 4
align="right" | 3Juan Carlos Ferrero{{flag|ESP}}align="right" | 4,205align="center" | 1align="center" | 4align="center" | {{increase}} 1
align="right" | 4Andre Agassi{{flagu|USA}}align="right" | 3,425align="center" | 1align="center" | 5align="center" | {{decrease}} 2
align="right" | 5Guillermo Coria{{flag|ARG}}align="right" | 3,330align="center" | 4align="center" | 45align="center" | {{increase}} 40
align="right" | 6Rainer Schüttler{{flag|GER}}align="right" | 3,205align="center" | 6align="center" | 38align="center" | {{increase}} 27
align="right" | 7Carlos Moyà{{flag|ESP}}align="right" | 2,280align="center" | 4align="center" | 7align="center" | {{decrease}} 2
align="right" | 8David Nalbandian{{flag|ARG}}align="right" | 2,060align="center" | 8align="center" | 21align="center" | {{increase}} 4
align="right" | 9Mark Philippoussis{{flag|AUS}}align="right" | 1,615align="center" | 9align="center" | 104align="center" | {{increase}} 71
align="right" | 10Sébastien Grosjean{{flag|FRA}}align="right" | 1,610align="center" | 9align="center" | 20align="center" | {{increase}} 7
align="right" | 11Paradorn Srichaphan{{flag|THA}}align="right" | 1,595align="center" | 9align="center" | 16align="center" | {{increase}} 5
align="right" | 12Nicolás Massú{{flag|CHI}}align="right" | 1,559align="center" | 12align="center" | 105align="center" | {{increase}} 44
align="right" | 13Jiří Novák{{flag|CZE}}align="right" | 1,510align="center" | 7align="center" | 18align="center" | {{decrease}} 6
align="right" | 14Younes El Aynaoui{{flag|MAR}}align="right" | 1,480align="center" | 14align="center" | 26align="center" | {{increase}} 8
align="right" | 15Tim Henman{{flag|GBR}}align="right" | 1,480align="center" | 8align="center" | 40align="center" | {{decrease}} 7
align="right" | 16Gustavo Kuerten{{flag|BRA}}align="right" | 1,470align="center" | 13align="center" | 37align="center" | {{increase}} 21
align="right" | 17Lleyton Hewitt{{flag|AUS}}align="right" | 1,450align="center" | 1align="center" | 18align="center" | {{decrease}} 16
align="right" | 18Sjeng Schalken{{flag|NED}}align="right" | 1,445align="center" | 11align="center" | 20align="center" | {{increase}} 2
align="right" | 19Martin Verkerk{{flag|NED}}align="right" | 1,425align="center" | 14align="center" | 90align="center" | {{increase}} 67
align="right" | 20Mardy Fish{{flagu|USA}}align="right" | 1,300align="center" | 19align="center" | 84align="center" | {{increase}} 64

|-

|}

Retirements

Following is a list of notable players (winners of a main tour title, and/or part of the ATP rankings top 100 (singles) or top 50 (doubles) for at least one week) who announced their retirement from professional tennis, became inactive (after not playing for more than 52 weeks), or were permanently banned from playing, during the 2003 season:

  • {{flagdeco|USA}} Michael Chang (born February 22, 1972, in Hoboken, New Jersey) He turned professional in 1988 and reached a career-high ranking of world no. 2. He won the French Open in 1989 and was a finalist at the Australian Open and the US Open, as well as the year-end finals. In all, he won 34 career titles. He played his final career match at the US Open against Fernando González.[http://www.atpworldtour.com/Tennis/Players/Ch/M/Michael-Chang.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]
  • {{flagdeco|ESP}} Francisco Clavet (born October 24, 1968, in Aranjuez, Spain) He turned professional in 1988 and reached his career-high ranking of no. 18 in 1992. He earned eight singles titles and played his last match in Segovia in July against Nicolas Mahut.[http://www.atpworldtour.com/Tennis/Players/Cl/F/Francisco-Clavet.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]
  • {{flagdeco|BRA}} Fernando Meligeni (born April 12, 1971, in Buenos Aires, Argentina) He turned professional in 1990 and reached his career-high ranking of no. 25 in 1999. He reached the semifinals of the French Open in 1999 and earned three career singles titles. In doubles, he was ranked no. 34 in 1997 and earned seven career titles.
  • {{flagdeco|ITA}} Andrea Gaudenzi (born 30 July 1973 in Faenza, Italy) He turned professional in 1990 and reached his career-high ranking of world no. 18 in 1995. He earned three career singles titles and two doubles titles. His last match was in San Marino in August against Federico Browne.[http://www.atpworldtour.com/Tennis/Players/Ga/A/Andrea-Gaudenzi.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]
  • {{flagdeco|NED}} Paul Haarhuis (born 19 February 1966 in Eindhoven, Netherlands) He turned professional in 1989 and reached a career-high ranking of world no. 18. He reached the quarterfinals at the US Open and earned one career singles title. In doubles, he was ranked world no. 1 in 1994 and won all four Grand Slam tournaments, the French open three times. He played his last career match at Wimbledon partnering Yevgeny Kafelnikov.[http://www.atpworldtour.com/Tennis/Players/Ha/P/Paul-Haarhuis.aspx?t=pa&y=2003&m=d&e=0 ATP Player Activity page]
  • {{flagdeco|RUS}} Yevgeny Kafelnikov (born 18 February 1974 in Sochi, Soviet Union) He turned professional in 1992 and reached the world no. 1 ranking in 1999. He won two Grand Slam singles titles, the 1996 French Open and the 1999 Australian Open. He also won four Grand Slam doubles titles, and the men's singles gold medal at the Sydney Olympic Games in 2000. He also helped Russia win the Davis Cup in 2002. He is the last man to have won both the men's singles and doubles titles at the same Grand Slam tournament, the 1996 French Open. He played his last match in St. Petersburg in October against Mikhail Youzhny.[http://www.atpworldtour.com/Tennis/Players/Ka/Y/Yevgeny-Kafelnikov.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]
  • {{flagdeco|NED}} Richard Krajicek (born 6 December 1971 in Rotterdam, Netherlands) He turned professional in 1989 and reached his career-high ranking of world no. 4 in 1999. He won Wimbledon in 1996 and was a semifinalist at the Australian and French Opens. He earned 17 career ATP titles. In doubles, he was ranked world no. 45 and won three career titles, also reaching the semifinals at the Australian Open. His last career ATP match was in 's-Hertogenbusch in June against Olivier Mutis.[http://www.atpworldtour.com/Tennis/Players/Kr/R/Richard-Krajicek.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]
  • {{flagdeco|USA}} Alex O'Brien (born 7 March 1970 in Amarillo, Texas) He turned professional in 1992 and reached his career-high singles ranking of world no. 30 in 1997. He earned one career singles ATP title. In doubles, he was ranked world no. 1 in 2000 and won the US Open in 1999. He was a finalist at the Australian Open in 1996 and 1997 and a quarterfinalist at Wimbledon in 1999 and 2000. His last career match was in Torrance, California, in October partnering Kevin Kim.[http://www.atpworldtour.com/Tennis/Players/Ob/A/Alex-Obrien.aspx?t=pa&y=2003&m=d&e=0 ATP Player Activity page]
  • {{flagdeco|AUS}} Sandon Stolle (born 13 July 1970 in Sydney, New South Wales, Australia) He turned professional in 1991 and reached a career-high singles ranking of no. 50 and doubles ranking of no. 2 in 2001. He earned 22 career titles in doubles and won the US Open in 1998, partnering Cyril Suk. He was a finalist at the US Open (1995), French Open (2000), and Wimbledon (2000), each time losing the final match to the "Woodies". His last match was at the Australian Open partnering Andrew Florent.[http://www.atpworldtour.com/Tennis/Players/St/S/Sandon-Stolle.aspx?t=pa&y=2003&m=d&e=0 ATP Player Activity page]
  • {{flagdeco|CZE}} Daniel Vacek (born 1 April 1971 in Prague, Czechoslovakia) He turned professional in 1990 and reached his career-high singles ranking of no. 26 in 1996. In doubles, he was ranked no. 3 in 1997 and earned 25 career titles. He won the French Open in 1996 and 1997 and the US Open in 1997. He was also a quarterfinalist at the Australian Open in 1999. He played his last match at Wimbledon partnering Jim Thomas.[http://www.atpworldtour.com/Tennis/Players/Va/D/Daniel-Vacek.aspx?t=pa&y=2003&m=d&e=0 ATP Player Activity page]
  • {{flagdeco|ROM}} Adrian Voinea (born 6 August 1974 in Focşani, Romania) He turned professional in 1993 and reached his career-high ranking of world no. 36 in 1996. He reached the quarterfinals at the French Open in 1995 and earned one career ATP title. He played his last match in Sopot in July against Olivier Mutis.[http://www.atpworldtour.com/Tennis/Players/Vo/A/Adrian-Voinea.aspx?t=pa&y=2003&m=s&e=0 ATP Player Activity page]

See also

References

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