2003 Open 13 – Singles

{{Tennis events|2003|Open 13|

| defchamp =

| champ = {{flagicon|SUI}} Roger Federer

| runner = {{flagicon|SWE}} Jonas Björkman

| score = 6–2, 7–6(8–6)

| draw = 32 (4{{abbr| Q | Qualifiers}} / 3{{abbr| WC | Wild Cards}})

| seeds = 8

| edition =

| type = singles doubles

| main_name = Open 13

}}

Thomas Enqvist was the defending champion but lost in the first round to Raemon Sluiter.

Roger Federer won in the final 6–2, 7–6(8–6) against Jonas Björkman.

Seeds

{{colbegin}}

  1. {{flagicon|SUI}} Roger Federer (champion)
  2. {{flagicon|CZE}} Jiří Novák (first round)
  3. {{flagicon|FRA}} Sébastien Grosjean (second round)
  4. {{flagicon|GER}} Rainer Schüttler (withdrew because of an elbow injury)
  5. {{flagicon|MAR}} Younes El Aynaoui (first round)
  6. {{flagicon|RUS}} Yevgeny Kafelnikov (first round)
  7. {{flagicon|FRA}} Fabrice Santoro (first round)
  8. {{flagicon|ESP}} Tommy Robredo (first round)

{{colend}}

Draw

{{Draw key}}

=Finals=

{{4TeamBracket-Tennis3

| RD1=Semifinals

| RD2=Final

| team-width=175

| RD1-seed1=1

| RD1-team1={{flagicon|SUI}} Roger Federer

| RD1-score1-1=77

| RD1-score1-2=6

| RD1-score1-3= 

| RD1-seed2= 

| RD1-team2={{flagicon|SVK}} Karol Kučera

| RD1-score2-1=65

| RD1-score2-2=3

| RD1-score2-3= 

| RD1-seed3= 

| RD1-team3={{flagicon|SWE}} Jonas Björkman

| RD1-score3-1=w/o

| RD1-score3-2= 

| RD1-score3-3= 

| RD1-seed4= 

| RD1-team4={{flagicon|FRA}} Nicolas Escudé

| RD1-score4-1= 

| RD1-score4-2= 

| RD1-score4-3= 

| RD2-seed1=1

| RD2-team1={{flagicon|SUI}} Roger Federer

| RD2-score1-1=6

| RD2-score1-2=78

| RD2-score1-3=

| RD2-seed2= 

| RD2-team2={{flagicon|SWE}} Jonas Björkman

| RD2-score2-1=2

| RD2-score2-2=66

| RD2-score2-3=

}}

=Top half=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=1

| RD1-team01={{flagicon|SUI}} R Federer

| RD1-score01-1=77

| RD1-score01-2=0

| RD1-score01-3= 

| RD1-seed02= 

| RD1-team02={{flagicon|CRO}} I Ljubičić

| RD1-score02-1=63

| RD1-score02-2=0r

| RD1-score02-3= 

| RD1-seed03= 

| RD1-team03={{flagicon|FIN}} J Nieminen

| RD1-score03-1=6

| RD1-score03-2=4

| RD1-score03-3=77

| RD1-seed04= 

| RD1-team04={{flagicon|CZE}} R Štěpánek

| RD1-score04-1=2

| RD1-score04-2=6

| RD1-score04-3=61

| RD1-seed05= 

| RD1-team05={{flagicon|NED}} R Sluiter

| RD1-score05-1=77

| RD1-score05-2=78

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|SWE}} T Enqvist

| RD1-score06-1=64

| RD1-score06-2=66

| RD1-score06-3= 

| RD1-seed07=Q

| RD1-team07={{flagicon|FRA}} C Saulnier

| RD1-score07-1=2

| RD1-score07-2=6

| RD1-score07-3=6

| RD1-seed08=7

| RD1-team08={{flagicon|FRA}} F Santoro

| RD1-score08-1=6

| RD1-score08-2=4

| RD1-score08-3=1

| RD1-seed09=3

| RD1-team09={{flagicon|FRA}} S Grosjean

| RD1-score09-1=6

| RD1-score09-2=6

| RD1-score09-3= 

| RD1-seed10=Q

| RD1-team10={{flagicon|ESP}} Á Calatrava

| RD1-score10-1=2

| RD1-score10-2=1

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|SUI}} M Kratochvil

| RD1-score11-1=6

| RD1-score11-2=4

| RD1-score11-3=1r

| RD1-seed12= 

| RD1-team12={{flagicon|SVK}} K Kučera

| RD1-score12-1=3

| RD1-score12-2=6

| RD1-score12-3=4

| RD1-seed13=WC

| RD1-team13={{flagicon|FRA}} R Gasquet

| RD1-score13-1=64

| RD1-score13-2=6

| RD1-score13-3=6

| RD1-seed14= 

| RD1-team14={{flagicon|ESP}} F López

| RD1-score14-1=77

| RD1-score14-2=4

| RD1-score14-3=4

| RD1-seed15= 

| RD1-team15={{flagicon|BEL}} O Rochus

| RD1-score15-1=77

| RD1-score15-2=6

| RD1-score15-3= 

| RD1-seed16=WC/6

| RD1-team16={{flagicon|RUS}} Y Kafelnikov

| RD1-score16-1=65

| RD1-score16-2=4

| RD1-score16-3= 

| RD2-seed01=1

| RD2-team01={{flagicon|SUI}} R Federer

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|FIN}} J Nieminen

| RD2-score02-1=3

| RD2-score02-2=3

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|NED}} R Sluiter

| RD2-score03-1=7

| RD2-score03-2=61

| RD2-score03-3=6

| RD2-seed04=Q

| RD2-team04={{flagicon|FRA}} C Saulnier

| RD2-score04-1=5

| RD2-score04-2=77

| RD2-score04-3=2

| RD2-seed05=3

| RD2-team05={{flagicon|FRA}} S Grosjean

| RD2-score05-1=64

| RD2-score05-2=1

| RD2-score05-3= 

| RD2-seed06= 

| RD2-team06={{flagicon|SVK}} K Kučera

| RD2-score06-1=77

| RD2-score06-2=6

| RD2-score06-3= 

| RD2-seed07=WC

| RD2-team07={{flagicon|FRA}} R Gasquet

| RD2-score07-1=77

| RD2-score07-2=0r

| RD2-score07-3=

| RD2-seed08= 

| RD2-team08={{flagicon|BEL}} O Rochus

| RD2-score08-1=61

| RD2-score08-2=5

| RD2-score08-3= 

| RD3-seed01=1

| RD3-team01={{flagicon|SUI}} R Federer

| RD3-score01-1=6

| RD3-score01-2=4

| RD3-score01-3=6

| RD3-seed02= 

| RD3-team02={{flagicon|NED}} R Sluiter

| RD3-score02-1=4

| RD3-score02-2=6

| RD3-score02-3=4

| RD3-seed03= 

| RD3-team03={{flagicon|SVK}} K Kučera

| RD3-score03-1=6

| RD3-score03-2=6

| RD3-score03-3= 

| RD3-seed04= 

| RD3-team04={{flagicon|BEL}} O Rochus

| RD3-score04-1=3

| RD3-score04-2=3

| RD3-score04-3= 

| RD4-seed01=1

| RD4-team01={{flagicon|SUI}} R Federer

| RD4-score01-1=77

| RD4-score01-2=6

| RD4-score01-3= 

| RD4-seed02= 

| RD4-team02={{flagicon|SVK}} K Kučera

| RD4-score02-1=65

| RD4-score02-2=3

| RD4-score02-3= 

}}

=Bottom half=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=WC/5

| RD1-team01={{flagicon|MAR}} Y El Aynaoui

| RD1-score01-1=2

| RD1-score01-2=4

| RD1-score01-3= 

| RD1-seed02= 

| RD1-team02={{flagicon|SWE}} J Björkman

| RD1-score02-1=6

| RD1-score02-2=6

| RD1-score02-3= 

| RD1-seed03= 

| RD1-team03={{flagicon|AUS}} W Arthurs

| RD1-score03-1=4

| RD1-score03-2=64

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|ROM}} A Voinea

| RD1-score04-1=6

| RD1-score04-2=77

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|SVK}} D Hrbatý

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3= 

| RD1-seed06=Q

| RD1-team06={{flagicon|MAR}} H Arazi

| RD1-score06-1=1

| RD1-score06-2=3

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|FRA}} O Mutis

| RD1-score07-1=6

| RD1-score07-2=2

| RD1-score07-3=7

| RD1-seed08=LL

| RD1-team08={{flagicon|GER}} C Vinck

| RD1-score08-1=4

| RD1-score08-2=6

| RD1-score08-3=5

| RD1-seed09=8

| RD1-team09={{flagicon|ESP}} T Robredo

| RD1-score09-1=66

| RD1-score09-2=6

| RD1-score09-3=65

| RD1-seed10= 

| RD1-team10={{flagicon|BLR}} M Mirnyi

| RD1-score10-1=78

| RD1-score10-2=1

| RD1-score10-3=77

| RD1-seed11=Q

| RD1-team11={{flagicon|FRA}} R Cadart

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3= 

| RD1-seed12= 

| RD1-team12={{flagicon|GEO|1990}} I Labadze

| RD1-score12-1=4

| RD1-score12-2=3

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|FRA}} A Dupuis

| RD1-score13-1=77

| RD1-score13-2=4

| RD1-score13-3=4

| RD1-seed14= 

| RD1-team14={{flagicon|CRO}} M Ančić

| RD1-score14-1=64

| RD1-score14-2=6

| RD1-score14-3=6

| RD1-seed15= 

| RD1-team15={{flagicon|FRA}} N Escudé

| RD1-score15-1=6

| RD1-score15-2=6

| RD1-score15-3= 

| RD1-seed16=2

| RD1-team16={{flagicon|CZE}} J Novák

| RD1-score16-1=2

| RD1-score16-2=1

| RD1-score16-3= 

| RD2-seed01= 

| RD2-team01={{flagicon|SWE}} J Björkman

| RD2-score01-1=78

| RD2-score01-2=66

| RD2-score01-3=6

| RD2-seed02= 

| RD2-team02={{flagicon|ROM}} A Voinea

| RD2-score02-1=66

| RD2-score02-2=78

| RD2-score02-3=3

| RD2-seed03= 

| RD2-team03={{flagicon|SVK}} D Hrbatý

| RD2-score03-1=6

| RD2-score03-2=6

| RD2-score03-3= 

| RD2-seed04= 

| RD2-team04={{flagicon|FRA}} O Mutis

| RD2-score04-1=3

| RD2-score04-2=4

| RD2-score04-3= 

| RD2-seed05= 

| RD2-team05={{flagicon|BLR}} M Mirnyi

| RD2-score05-1=65

| RD2-score05-2=2

| RD2-score05-3= 

| RD2-seed06=Q

| RD2-team06={{flagicon|FRA}} R Cadart

| RD2-score06-1=77

| RD2-score06-2=6

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|CRO}} M Ančić

| RD2-score07-1=2

| RD2-score07-2=6

| RD2-score07-3=610

| RD2-seed08= 

| RD2-team08={{flagicon|FRA}} N Escudé

| RD2-score08-1=6

| RD2-score08-2=3

| RD2-score08-3=712

| RD3-seed01= 

| RD3-team01={{flagicon|SWE}} J Björkman

| RD3-score01-1=79

| RD3-score01-2=6

| RD3-score01-3= 

| RD3-seed02= 

| RD3-team02={{flagicon|SVK}} D Hrbatý

| RD3-score02-1=67

| RD3-score02-2=4

| RD3-score02-3= 

| RD3-seed03=Q

| RD3-team03={{flagicon|FRA}} R Cadart

| RD3-score03-1=5

| RD3-score03-2=3

| RD3-score03-3= 

| RD3-seed04= 

| RD3-team04={{flagicon|FRA}} N Escudé

| RD3-score04-1=7

| RD3-score04-2=6

| RD3-score04-3= 

| RD4-seed01= 

| RD4-team01={{flagicon|SWE}} J Björkman

| RD4-score01-1=w/o

| RD4-score01-2= 

| RD4-score01-3= 

| RD4-seed02= 

| RD4-team02={{flagicon|FRA}} N Escudé

| RD4-score02-1= 

| RD4-score02-2= 

| RD4-score02-3= 

}}