2013 Rakuten Japan Open Tennis Championships – Singles

{{Infobox tennis tournament event|2013|Rakuten Japan Open Tennis Championships|

| defchamp =

| champ = {{flagicon|ARG}} Juan Martín del Potro

| runner = {{flagicon|CAN}} Milos Raonic

| score = 7–6(7–5), 7–5

| edition =

| type = singles doubles

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

| seeds = 8

| before_name = Rakuten Japan Open Tennis Championships – Singles

| after_name = Rakuten Japan Open Tennis Championships – Singles

| main_name = Japan Open (tennis) {{!}} Japan Open

}}

{{main|2013 Rakuten Japan Open Tennis Championships}}

Kei Nishikori was the defending champion, but lost in the quarter-finals to Nicolás Almagro.

First-seeded Juan Martín del Potro won the title, defeating Milos Raonic in the final, 7–6(7–5), 7–5.

Seeds

{{columns-list|colwidth=30em|

  1. {{flagicon|ARG}} Juan Martín del Potro (champion)
  2. {{flagicon|FRA}} Jo-Wilfried Tsonga (second round)
  3. {{flagicon|CAN}} Milos Raonic (final)
  4. {{flagicon|JPN}} Kei Nishikori (quarterfinals)
  5. {{flagicon|FRA}} Gilles Simon (withdrew)
  6. {{flagicon|ESP}} Nicolás Almagro (semifinals)
  7. {{flagicon|RSA}} Kevin Anderson (first round)
  8. {{flagicon|SRB}} Janko Tipsarević (second round)

}}

Draw

{{Draw key}}

=Finals=

{{4TeamBracket-Tennis3

|RD1=Semifinals

|RD2=Final

|team-width=175

|RD1-seed1={{nowrap|1/WC}}

|RD1-team1={{flagicon|ARG}} Juan Martín del Potro

|RD1-score1-1=79

|RD1-score1-2=77

|RD1-score1-3=

|RD1-seed2=6

|RD1-team2={{flagicon|ESP}} Nicolás Almagro

|RD1-score2-1=67

|RD1-score2-2=61

|RD1-score2-3=

|RD1-seed3=3

|RD1-team3={{flagicon|CAN}} Milos Raonic

|RD1-score3-1=77

|RD1-score3-2=6

|RD1-score3-3=

|RD1-seed4=

|RD1-team4={{flagicon|CRO}} Ivan Dodig

|RD1-score4-1=64

|RD1-score4-2=1

|RD1-score4-3=

|RD2-seed1={{nowrap|1/WC}}

|RD2-team1={{flagicon|ARG}} Juan Martín del Potro

|RD2-score1-1=77

|RD2-score1-2=7

|RD2-score1-3=

|RD2-seed2=3

|RD2-team2={{flagicon|CAN}} Milos Raonic

|RD2-score2-1=65

|RD2-score2-2=5

|RD2-score2-3=

}}

=Top half=

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01={{nowrap|1/WC}}

| RD1-team01={{flagicon|ARG}} JM del Potro

| RD1-score01-1=4

| RD1-score01-2=6

| RD1-score01-3=6

| RD1-seed02=

| RD1-team02={{flagicon|CYP}} M Baghdatis

| RD1-score02-1=6

| RD1-score02-2=4

| RD1-score02-3=3

| RD1-seed03=

| RD1-team03={{flagicon|ARG}} C Berlocq

| RD1-score03-1=77

| RD1-score03-2=6

| RD1-score03-3=

| RD1-seed04=PR

| RD1-team04={{flagicon|URU}} P Cuevas

| RD1-score04-1=64

| RD1-score04-2=2

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|UKR}} A Dolgopolov

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|GER}} D Brands

| RD1-score06-1=3

| RD1-score06-2=1

| RD1-score06-3=

| RD1-seed07=

| RD1-team07={{flagicon|ROU}} V Hănescu

| RD1-score07-1=78

| RD1-score07-2=1

| RD1-score07-3=4

| RD1-seed08=8

| RD1-team08={{flagicon|SRB}} J Tipsarević

| RD1-score08-1=66

| RD1-score08-2=6

| RD1-score08-3=6

| RD1-seed09=4

| RD1-team09={{flagicon|JPN}} K Nishikori

| RD1-score09-1=64

| RD1-score09-2=7

| RD1-score09-3=6

| RD1-seed10=

| RD1-team10={{flagicon|AUT}} J Melzer

| RD1-score10-1=77

| RD1-score10-2=5

| RD1-score10-3=2

| RD1-seed11=

| RD1-team11={{flagicon|ESP}} F López

| RD1-score11-1=4

| RD1-score11-2=7

| RD1-score11-3=6

| RD1-seed12=WC

| RD1-team12={{flagicon|JPN}} T Ito

| RD1-score12-1=6

| RD1-score12-2=5

| RD1-score12-3=3

| RD1-seed13=Q

| RD1-team13={{flagicon|USA}} R Harrison

| RD1-score13-1=1

| RD1-score13-2=6

| RD1-score13-3=4

| RD1-seed14=

| RD1-team14={{flagicon|ARG}} H Zeballos

| RD1-score14-1=6

| RD1-score14-2=4

| RD1-score14-3=6

| RD1-seed15=Q

| RD1-team15={{flagicon|GER}} B Becker

| RD1-score15-1=64

| RD1-score15-2=63

| RD1-score15-3=

| RD1-seed16=6

| RD1-team16={{flagicon|ESP}} N Almagro

| RD1-score16-1=77

| RD1-score16-2=77

| RD1-score16-3=

| RD2-seed01={{nowrap|1/WC}}

| RD2-team01={{flagicon|ARG}} JM del Potro

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|ARG}} C Berlocq

| RD2-score02-1=2

| RD2-score02-2=2

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|UKR}} A Dolgopolov

| RD2-score03-1=6

| RD2-score03-2=77

| RD2-score03-3=

| RD2-seed04=8

| RD2-team04={{flagicon|SRB}} J Tipsarević

| RD2-score04-1=3

| RD2-score04-2=62

| RD2-score04-3=

| RD2-seed05=4

| RD2-team05={{flagicon|JPN}} K Nishikori

| RD2-score05-1=77

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|ESP}} F López

| RD2-score06-1=64

| RD2-score06-2=0

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|ARG}} H Zeballos

| RD2-score07-1=4

| RD2-score07-2=2

| RD2-score07-3=

| RD2-seed08=6

| RD2-team08={{flagicon|ESP}} N Almagro

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01={{nowrap|1/WC}}

| RD3-team01={{flagicon|ARG}} JM del Potro

| RD3-score01-1=4

| RD3-score01-2=6

| RD3-score01-3=6

| RD3-seed02=

| RD3-team02={{flagicon|UKR}} A Dolgopolov

| RD3-score02-1=6

| RD3-score02-2=4

| RD3-score02-3=2

| RD3-seed03=4

| RD3-team03={{flagicon|JPN}} K Nishikori

| RD3-score03-1=62

| RD3-score03-2=7

| RD3-score03-3=3

| RD3-seed04=6

| RD3-team04={{flagicon|ESP}} N Almagro

| RD3-score04-1=77

| RD3-score04-2=5

| RD3-score04-3=6

| RD4-seed01={{nowrap|1/WC}}

| RD4-team01={{flagicon|ARG}} JM del Potro

| RD4-score01-1=79

| RD4-score01-2=77

| RD4-score01-3=

| RD4-seed02=6

| RD4-team02={{flagicon|ESP}} N Almagro

| RD4-score02-1=67

| RD4-score02-2=61

| RD4-score02-3=

}}

=Bottom half=

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=7

| RD1-team01={{flagicon|RSA}} K Anderson

| RD1-score01-1=4

| RD1-score01-2=62

| RD1-score01-3=

| RD1-seed02=LL

| RD1-team02={{flagicon|SVK}} L Lacko

| RD1-score02-1=6

| RD1-score02-2=77

| RD1-score02-3=

| RD1-seed03=Q

| RD1-team03={{nowrap|{{flagicon|FRA}} É Roger-Vasselin}}

| RD1-score03-1=6

| RD1-score03-2=3

| RD1-score03-3=6

| RD1-seed04=

| RD1-team04={{flagicon|RUS}} D Tursunov

| RD1-score04-1=4

| RD1-score04-2=6

| RD1-score04-3=3

| RD1-seed05=Q

| RD1-team05={{flagicon|SUI}} M Chiudinelli

| RD1-score05-1=62

| RD1-score05-2=6

| RD1-score05-3=66

| RD1-seed06=

| RD1-team06={{flagicon|FRA}} J Chardy

| RD1-score06-1=77

| RD1-score06-2=3

| RD1-score06-3=78

| RD1-seed07=WC

| RD1-team07={{flagicon|JPN}} G Soeda

| RD1-score07-1=4

| RD1-score07-2=60

| RD1-score07-3=

| RD1-seed08=3

| RD1-team08={{flagicon|CAN}} M Raonic

| RD1-score08-1=6

| RD1-score08-2=77

| RD1-score08-3=

| RD1-seed09=LL

| RD1-team09={{flagicon|POL}} M Przysiężny

| RD1-score09-1=1

| RD1-score09-2=6

| RD1-score09-3=6

| RD1-seed10=

| RD1-team10={{flagicon|ESP}} M Granollers

| RD1-score10-1=6

| RD1-score10-2=3

| RD1-score10-3=4

| RD1-seed11=

| RD1-team11={{flagicon|FIN}} J Nieminen

| RD1-score11-1=77

| RD1-score11-2=6

| RD1-score11-3=

| RD1-seed12=

| RD1-team12={{flagicon|ARG}} J Mónaco

| RD1-score12-1=64

| RD1-score12-2=1

| RD1-score12-3=

| RD1-seed13=WC

| RD1-team13={{flagicon|JPN}} Y Sugita

| RD1-score13-1=3

| RD1-score13-2=1

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|CRO}} I Dodig

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD1-seed15=

| RD1-team15={{flagicon|FRA}} G Monfils

| RD1-score15-1=3

| RD1-score15-2=68

| RD1-score15-3=

| RD1-seed16=2

| RD1-team16={{flagicon|FRA}} J-W Tsonga

| RD1-score16-1=6

| RD1-score16-2=710

| RD1-score16-3=

| RD2-seed01=LL

| RD2-team01={{flagicon|SVK}} L Lacko

| RD2-score01-1=7

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=Q

| RD2-team02={{nowrap|{{flagicon|FRA}} É Roger-Vasselin}}

| RD2-score02-1=5

| RD2-score02-2=4

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|FRA}} J Chardy

| RD2-score03-1=4

| RD2-score03-2=3

| RD2-score03-3=

| RD2-seed04=3

| RD2-team04={{flagicon|CAN}} M Raonic

| RD2-score04-1=6

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=LL

| RD2-team05={{flagicon|POL}} M Przysiężny

| RD2-score05-1=77

| RD2-score05-2=4

| RD2-score05-3=2

| RD2-seed06=

| RD2-team06={{flagicon|FIN}} J Nieminen

| RD2-score06-1=64

| RD2-score06-2=6

| RD2-score06-3=6

| RD2-seed07=

| RD2-team07={{flagicon|CRO}} I Dodig

| RD2-score07-1=6

| RD2-score07-2=77

| RD2-score07-3=

| RD2-seed08=2

| RD2-team08={{flagicon|FRA}} J-W Tsonga

| RD2-score08-1=4

| RD2-score08-2=65

| RD2-score08-3=

| RD3-seed01=LL

| RD3-team01={{flagicon|SVK}} L Lacko

| RD3-score01-1=3

| RD3-score01-2=3

| RD3-score01-3=

| RD3-seed02=3

| RD3-team02={{flagicon|CAN}} M Raonic

| RD3-score02-1=6

| RD3-score02-2=6

| RD3-score02-3=

| RD3-seed03=

| RD3-team03={{flagicon|FIN}} J Nieminen

| RD3-score03-1=2

| RD3-score03-2=63

| RD3-score03-3=

| RD3-seed04=

| RD3-team04={{flagicon|CRO}} I Dodig

| RD3-score04-1=6

| RD3-score04-2=77

| RD3-score04-3=

| RD4-seed01=3

| RD4-team01={{flagicon|CAN}} M Raonic

| RD4-score01-1=77

| RD4-score01-2=6

| RD4-score01-3=

| RD4-seed02=

| RD4-team02={{flagicon|CRO}} I Dodig

| RD4-score02-1=64

| RD4-score02-2=1

| RD4-score02-3=

}}

Qualifying

=Seeds=

{{columns-list|colwidth=30em|

  1. {{flagicon|ARG}} Federico Delbonis (first round)
  2. {{flagicon|FRA}} Édouard Roger-Vasselin (qualified)
  3. {{flagicon|GER}} Benjamin Becker (qualified)
  4. {{flagicon|SLO}} Grega Žemlja (first round, retired)
  5. {{flagicon|SVK}} Lukáš Lacko (qualifying competition, lucky loser)
  6. {{flagicon|POL}} Michał Przysiężny (qualifying competition, lucky loser)
  7. {{flagicon|COL}} Alejandro Falla (qualifying competition)
  8. {{flagicon|USA}} Michael Russell (qualifying competition)

}}

=Qualifiers=

{{columns-list|colwidth=30em|

  1. {{flagicon|SUI}} Marco Chiudinelli
  2. {{flagicon|FRA}} Édouard Roger-Vasselin
  3. {{flagicon|GER}} Benjamin Becker
  4. {{flagicon|USA}} Ryan Harrison

}}

=Lucky losers=

{{columns-list|colwidth=30em|

  1. {{flagicon|SVK}} Lukáš Lacko
  2. {{flagicon|POL}} Michał Przysiężny

}}

=Qualifying draw=

==First qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=1

| RD1-team1={{flagicon|ARG}} Federico Delbonis

| RD1-score1-1=67

| RD1-score1-2=0

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|SUI}} Marco Chiudinelli

| RD1-score2-1=79

| RD1-score2-2=6

| RD1-score2-3=

| RD1-seed3=

| RD1-team3={{flagicon|JPN}} Hiroki Moriya

| RD1-score3-1=3

| RD1-score3-2=64

| RD1-score3-3=

| RD1-seed4=8

| RD1-team4={{flagicon|USA}} Michael Russell

| RD1-score4-1=6

| RD1-score4-2=77

| RD1-score4-3=

| RD2-seed1=

| RD2-team1={{flagicon|SUI}} Marco Chiudinelli

| RD2-score1-1=7

| RD2-score1-2=6

| RD2-score1-3=

| RD2-seed2=8

| RD2-team2={{flagicon|USA}} Michael Russell

| RD2-score2-1=5

| RD2-score2-2=4

| RD2-score2-3=

}}

==Second qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=2

| RD1-team1={{flagicon|FRA}} Édouard Roger-Vasselin

| RD1-score1-1=6

| RD1-score1-2=77

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|ITA}} Matteo Viola

| RD1-score2-1=2

| RD1-score2-2=63

| RD1-score2-3=

| RD1-seed3=WC

| RD1-team3={{flagicon|JPN}} Yasutaka Uchiyama

| RD1-score3-1=4

| RD1-score3-2=66

| RD1-score3-3=

| RD1-seed4=7

| RD1-team4={{flagicon|COL}} Alejandro Falla

| RD1-score4-1=6

| RD1-score4-2=78

| RD1-score4-3=

| RD2-seed1=2

| RD2-team1={{flagicon|FRA}} Édouard Roger-Vasselin

| RD2-score1-1=7

| RD2-score1-2=2

| RD2-score1-3=6

| RD2-seed2=7

| RD2-team2={{flagicon|COL}} Alejandro Falla

| RD2-score2-1=5

| RD2-score2-2=6

| RD2-score2-3=3

}}

==Third qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=3

| RD1-team1={{flagicon|GER}} Benjamin Becker

| RD1-score1-1=6

| RD1-score1-2=6

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|GER}} Mischa Zverev

| RD1-score2-1=4

| RD1-score2-2=2

| RD1-score2-3=

| RD1-seed3=WC

| RD1-team3={{flagicon|JPN}} Shuichi Sekiguchi

| RD1-score3-1=3

| RD1-score3-2=2

| RD1-score3-3=

| RD1-seed4=6

| RD1-team4={{flagicon|POL}} Michał Przysiężny

| RD1-score4-1=6

| RD1-score4-2=6

| RD1-score4-3=

| RD2-seed1=3

| RD2-team1={{flagicon|GER}} Benjamin Becker

| RD2-score1-1=2

| RD2-score1-2=77

| RD2-score1-3=78

| RD2-seed2=6

| RD2-team2={{flagicon|POL}} Michał Przysiężny

| RD2-score2-1=6

| RD2-score2-2=65

| RD2-score2-3=66

}}

==Fourth qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=4

| RD1-team1={{flagicon|SLO}} Grega Žemlja

| RD1-score1-1=6

| RD1-score1-2=66

| RD1-score1-3=0r

| RD1-seed2=WC

| RD1-team2={{flagicon|USA}} Ryan Harrison

| RD1-score2-1=3

| RD1-score2-2=78

| RD1-score2-3=0

| RD1-seed3=

| RD1-team3={{flagicon|AUS}} James Duckworth

| RD1-score3-1=65

| RD1-score3-2=6

| RD1-score3-3=4

| RD1-seed4=5

| RD1-team4={{flagicon|SVK}} Lukáš Lacko

| RD1-score4-1=77

| RD1-score4-2=4

| RD1-score4-3=6

| RD2-seed1=WC

| RD2-team1={{flagicon|USA}} Ryan Harrison

| RD2-score1-1=2

| RD2-score1-2=6

| RD2-score1-3=6

| RD2-seed2=5

| RD2-team2={{flagicon|SVK}} Lukáš Lacko

| RD2-score2-1=6

| RD2-score2-2=4

| RD2-score2-3=2

}}