2009 Rakuten Japan Open Tennis Championships – Singles

Seeds

1. ARG Juan Martín del Potro (first round)
2. FRA Jo-Wilfried Tsonga (champion)
3. FRA Gilles Simon (second round)
4. FRA Gaël Monfils (semifinals)
5. CZE Tomáš Berdych (quarterfinals)
6. CZE Radek Štěpánek (first round)
7. SUI Stanislas Wawrinka (quarterfinals)
8. AUS Lleyton Hewitt (semifinals)

Draw

Finals

| team-width=175 | RD1-seed1=8 | RD1-team1=AUS Lleyton Hewitt | RD1-score1-1=2 | RD1-score1-2=7 | RD1-score1-3=5 | RD1-seed2= | RD1-team2=RUS Mikhail Youzhny | RD1-score2-1=6 | RD1-score2-2=5 | RD1-score2-3=7 | RD1-seed3=4 | RD1-team3=FRA Gaël Monfils | RD1-score3-1=3 | RD1-score3-2=3 | RD1-score3-3= | RD1-seed4=2 | RD1-team4=FRA Jo-Wilfried Tsonga | RD1-score4-1=6 | RD1-score4-2=6 | RD1-score4-3= | RD2-seed1= | RD2-team1=RUS Mikhail Youzhny | RD2-score1-1=3 | RD2-score1-2=3 | RD2-score1-3= | RD2-seed2=2 | RD2-team2=FRA Jo-Wilfried Tsonga | RD2-score2-1=6 | RD2-score2-2=6 | RD2-score2-3

Top half

| RD1-seed01=1 | RD1-team01=ARG JM del Potro | RD1-score01-1=4 | RD1-score01-2=4 | RD1-score01-3= | RD1-seed02=Q | RD1-team02=FRA É Roger-Vasselin | RD1-score02-1=6 | RD1-score02-2=6 | RD1-score02-3= | RD1-seed03= | RD1-team03=AUT J Melzer | RD1-score03-1=77 | RD1-score03-2=6 | RD1-score03-3= | RD1-seed04= | RD1-team04=ARG L Mayer | RD1-score04-1=64 | RD1-score04-2=3 | RD1-score04-3= | RD1-seed05= | RD1-team05=KAZ A Golubev | RD1-score05-1=77 | RD1-score05-2=62 | RD1-score05-3=2 | RD1-seed06= | RD1-team06=FRA F Santoro | RD1-score06-1=65 | RD1-score06-2=77 | RD1-score06-3=6 | RD1-seed07=WC | RD1-team07=JPN T Ito | RD1-score07-1=1 | RD1-score07-2=5 | RD1-score07-3= | RD1-seed08=8 | RD1-team08=AUS L Hewitt | RD1-score08-1=6 | RD1-score08-2=7 | RD1-score08-3= | RD1-seed09=3 | RD1-team09=FRA G Simon | RD1-score09-1=6 | RD1-score09-2=6 | RD1-score09-3= | RD1-seed10=WC | RD1-team10=JPN T Suzuki | RD1-score10-1=3 | RD1-score10-2=4 | RD1-score10-3= | RD1-seed11= | RD1-team11=BRA T Bellucci | RD1-score11-1=2 | RD1-score11-2=3 | RD1-score11-3= | RD1-seed12= | RD1-team12=RUS M Youzhny | RD1-score12-1=6 | RD1-score12-2=6 | RD1-score12-3= | RD1-seed13= | RD1-team13=GER A Beck | RD1-score13-1=6 | RD1-score13-2=4 | RD1-score13-3=77 | RD1-seed14= | RD1-team14=GER R Schüttler | RD1-score14-1=3 | RD1-score14-2=6 | RD1-score14-3=63 | RD1-seed15=WC | RD1-team15=JPN G Soeda | RD1-score15-1=2 | RD1-score15-2=4 | RD1-score15-3= | RD1-seed16=5 | RD1-team16=CZE T Berdych | RD1-score16-1=6 | RD1-score16-2=6 | RD1-score16-3= | RD2-seed01=Q | RD2-team01=FRA É Roger-Vasselin | RD2-score01-1=4 | RD2-score01-2=6 | RD2-score01-3=6 | RD2-seed02= | RD2-team02=AUT J Melzer | RD2-score02-1=6 | RD2-score02-2=2 | RD2-score02-3=3 | RD2-seed03= | RD2-team03=FRA F Santoro | RD2-score03-1=6 | RD2-score03-2=3 | RD2-score03-3=1 | RD2-seed04=8 | RD2-team04=AUS L Hewitt | RD2-score04-1=3 | RD2-score04-2=6 | RD2-score04-3=6 | RD2-seed05=3 | RD2-team05=FRA G Simon | RD2-score05-1=65 | RD2-score05-2=77 | RD2-score05-3=4 | RD2-seed06= | RD2-team06=RUS M Youzhny | RD2-score06-1=77 | RD2-score06-2=65 | RD2-score06-3=6 | RD2-seed07= | RD2-team07=GER A Beck | RD2-score07-1=4 | RD2-score07-2=1 | RD2-score07-3= | RD2-seed08=5 | RD2-team08=CZE T Berdych | RD2-score08-1=6 | RD2-score08-2=6 | RD2-score08-3= | RD3-seed01=Q | RD3-team01=FRA É Roger-Vasselin | RD3-score01-1=4 | RD3-score01-2=0 | RD3-score01-3= | RD3-seed02=8 | RD3-team02=AUS L Hewitt | RD3-score02-1=6 | RD3-score02-2=6 | RD3-score02-3= | RD3-seed03= | RD3-team03=RUS M Youzhny | RD3-score03-1=6 | RD3-score03-2=710 | RD3-score03-3= | RD3-seed04=5 | RD3-team04=CZE T Berdych | RD3-score04-1=2 | RD3-score04-2=68 | RD3-score04-3= | RD4-seed01=8 | RD4-team01=AUS L Hewitt | RD4-score01-1=2 | RD4-score01-2=7 | RD4-score01-3=5 | RD4-seed02= | RD4-team02=RUS M Youzhny | RD4-score02-1=6 | RD4-score02-2=5 | RD4-score02-3=7

Bottom half

| RD1-seed01=7 | RD1-team01=SUI S Wawrinka | RD1-score01-1=6 | RD1-score01-2=6 | RD1-score01-3= | RD1-seed02= | RD1-team02=USA J Isner | RD1-score02-1=4 | RD1-score02-2=4 | RD1-score02-3= | RD1-seed03= | RD1-team03=GER S Greul | RD1-score03-1=4 | RD1-score03-2=6 | RD1-score03-3=6 | RD1-seed04= | RD1-team04=ARG M Vassallo Argüello | RD1-score04-1=6 | RD1-score04-2=4 | RD1-score04-3=2 | RD1-seed05=Q | RD1-team05=SUI M Chiudinelli | RD1-score05-1=4 | RD1-score05-2=6 | RD1-score05-3=6 | RD1-seed06= | RD1-team06=ISR D Sela | RD1-score06-1=6 | RD1-score06-2=1 | RD1-score06-3=4 | RD1-seed07=Q | RD1-team07=TUR M İlhan | RD1-score07-1=2 | RD1-score07-2=4 | RD1-score07-3= | RD1-seed08=4 | RD1-team08=FRA G Monfils | RD1-score08-1=6 | RD1-score08-2=6 | RD1-score08-3= | RD1-seed09=6 | RD1-team09=CZE R Štěpánek | RD1-score09-1=4 | RD1-score09-2=4 | RD1-score09-3= | RD1-seed10=Q | RD1-team10=LAT E Gulbis | RD1-score10-1=6 | RD1-score10-2=6 | RD1-score10-3= | RD1-seed11= | RD1-team11=ARG J Mónaco | RD1-score11-1=5 | RD1-score11-2= | RD1-score11-3= | RD1-seed12= | RD1-team12=ESP G García-López | RD1-score12-1=0r | RD1-score12-2= | RD1-score12-3= | RD1-seed13= | RD1-team13=FRA R Gasquet | RD1-score13-1=6 | RD1-score13-2=6 | RD1-score13-3= | RD1-seed14= | RD1-team14=GER P Petzschner | RD1-score14-1=3 | RD1-score14-2=2 | RD1-score14-3= | RD1-seed15= | RD1-team15=GER M Zverev | RD1-score15-1=4 | RD1-score15-2=3 | RD1-score15-3= | RD1-seed16=2 | RD1-team16=FRA J-W Tsonga | RD1-score16-1=6 | RD1-score16-2=6 | RD1-score16-3= | RD2-seed01=7 | RD2-team01=SUI S Wawrinka | RD2-score01-1=6 | RD2-score01-2=6 | RD2-score01-3= | RD2-seed02= | RD2-team02=GER S Greul | RD2-score02-1=3 | RD2-score02-2=2 | RD2-score02-3= | RD2-seed03=Q | RD2-team03=SUI M Chiudinelli | RD2-score03-1=65 | RD2-score03-2=3 | RD2-score03-3= | RD2-seed04=4 | RD2-team04=FRA G Monfils | RD2-score04-1=77 | RD2-score04-2=6 | RD2-score04-3= | RD2-seed05=Q | RD2-team05=LAT E Gulbis | RD2-score05-1=6 | RD2-score05-2=4 | RD2-score05-3= | RD2-seed06= | RD2-team06=ARG J Mónaco | RD2-score06-1=3 | RD2-score06-2=1r | RD2-score06-3= | RD2-seed07= | RD2-team07=FRA R Gasquet | RD2-score07-1=6 | RD2-score07-2=2 | RD2-score07-3=2 | RD2-seed08=2 | RD2-team08=FRA J-W Tsonga | RD2-score08-1=4 | RD2-score08-2=6 | RD2-score08-3=6 | RD3-seed01=7 | RD3-team01=SUI S Wawrinka | RD3-score01-1=6 | RD3-score01-2=3 | RD3-score01-3=4 | RD3-seed02=4 | RD3-team02=FRA G Monfils | RD3-score02-1=2 | RD3-score02-2=6 | RD3-score02-3=6 | RD3-seed03=Q | RD3-team03=LAT E Gulbis | RD3-score03-1=6 | RD3-score03-2=4 | RD3-score03-3=3 | RD3-seed04=2 | RD3-team04=FRA J-W Tsonga | RD3-score04-1=4 | RD3-score04-2=6 | RD3-score04-3=6 | RD4-seed01=4 | RD4-team01=FRA G Monfils | RD4-score01-1=3 | RD4-score01-2=3 | RD4-score01-3= | RD4-seed02=2 | RD4-team02=FRA J-W Tsonga | RD4-score02-1=6 | RD4-score02-2=6 | RD4-score02-3=

Qualifying

Seeds

1. SUI Marco Chiudinelli (qualified)
2. IND Somdev Devvarman (first round)
3. FRA Édouard Roger-Vasselin (qualified)
4. KOR Im Kyu-tae (qualifying competition)
5. TUR Marsel İlhan (qualified)
6. GER Dominik Meffert (qualifying competition)
7. RSA Rik de Voest (qualifying competition)}}

Qualifiers

1. SUI Marco Chiudinelli
2. TUR Marsel İlhan
3. FRA Édouard Roger-Vasselin}}

Draw

First qualifier

| team-width=175

| RD1-seed1=1 | RD1-team1=LAT Ernests Gulbis | RD1-score1-1=6 | RD1-score1-2=6 | RD1-score1-3= | RD1-seed2= | RD1-team2=JPN Junn Mitsuhashi | RD1-score2-1=2 | RD1-score2-2=3 | RD1-score2-3=

| RD1-seed3=WC | RD1-team3=JPN Yuichi Ito | RD1-score3-1=3 | RD1-score3-2=2 | RD1-score3-3= | RD1-seed4=7 | RD1-team4=GER Dominik Meffert | RD1-score4-1=6 | RD1-score4-2=6 | RD1-score4-3=

| RD2-seed1=1 | RD2-team1=LAT Ernests Gulbis | RD2-score1-1=63 | RD2-score1-2=6 | RD2-score1-3=6 | RD2-seed2=7 | RD2-team2=GER Dominik Meffert | RD2-score2-1=77 | RD2-score2-2=3 | RD2-score2-3=4

Second qualifier

| team-width=175

| RD1-seed1=2 | RD1-team1=SUI Marco Chiudinelli | RD1-score1-1=6 | RD1-score1-2=6 | RD1-score1-3= | RD1-seed2= | RD1-team2=SLO Luka Gregorc | RD1-score2-1=3 | RD1-score2-2=4 | RD1-score2-3=

| RD1-seed3=WC | RD1-team3=JPN Hiroyasu Ehara | RD1-score3-1=6 | RD1-score3-2=2 | RD1-score3-3=3 | RD1-seed4=5 | RD1-team4=KOR Im Kyu-tae | RD1-score4-1=0 | RD1-score4-2=6 | RD1-score4-3=6

| RD2-seed1=2 | RD2-team1=SUI Marco Chiudinelli | RD2-score1-1=66 | RD2-score1-2=6 | RD2-score1-3=6 | RD2-seed2=5 | RD2-team2=KOR Im Kyu-tae | RD2-score2-1=78 | RD2-score2-2=4 | RD2-score2-3=2

Third qualifier

| team-width=175

| RD1-seed1=3 | RD1-team1=IND Somdev Devvarman | RD1-score1-1=6 | RD1-score1-2=5 | RD1-score1-3=4 | RD1-seed2= | RD1-team2=JPN Yūichi Sugita | RD1-score2-1=3 | RD1-score2-2=7 | RD1-score2-3=6

| RD1-seed3= | RD1-team3=JPN Hiroki Kondo | RD1-score3-1=3 | RD1-score3-2=4 | RD1-score3-3= | RD1-seed4=6 | RD1-team4=TUR Marsel İlhan | RD1-score4-1=6 | RD1-score4-2=6 | RD1-score4-3=

| RD2-seed1= | RD2-team1=JPN Yūichi Sugita | RD2-score1-1=64 | RD2-score1-2=1 | RD2-score1-3= | RD2-seed2=6 | RD2-team2=TUR Marsel İlhan | RD2-score2-1=77 | RD2-score2-2=6 | RD2-score2-3=

Fourth qualifier

| team-width=175

| RD1-seed1=4 | RD1-team1=FRA Édouard Roger-Vasselin | RD1-score1-1=6 | RD1-score1-2=6 | RD1-score1-3= | RD1-seed2= | RD1-team2=AUT Alexander Peya | RD1-score2-1=2 | RD1-score2-2=4 | RD1-score2-3=

| RD1-seed3=WC | RD1-team3=JPN Hiroki Moriya | RD1-score3-1=4 | RD1-score3-2=63 | RD1-score3-3= | RD1-seed4=8 | RD1-team4=RSA Rik de Voest | RD1-score4-1=6 | RD1-score4-2=77 | RD1-score4-3=

| RD2-seed1=4 | RD2-team1=FRA Édouard Roger-Vasselin | RD2-score1-1=3 | RD2-score1-2=6 | RD2-score1-3=6 | RD2-seed2=8 | RD2-team2=RSA Rik de Voest | RD2-score2-1=6 | RD2-score2-2=3 | RD2-score2-3=4