# 2009 Rakuten Japan Open Tennis Championships – Singles

Tomáš Berdych was the defending champion, but he lost in the quarterfinals to Mikhail Youzhny.
Second-seeded Jo-Wilfried Tsonga won in the final 6–3, 6–3 against Mikhail Youzhny.

## Seeds

* Juan Martín del Potro (first round)
* Jo-Wilfried Tsonga (champion)
* Gilles Simon (second round)
* Gaël Monfils (semifinals)
* Tomáš Berdych (quarterfinals)
* Radek Štěpánek (first round)
* Stanislas Wawrinka (quarterfinals)
* Lleyton Hewitt (semifinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 8 | Lleyton Hewitt | 2 | 7 | 5 | | | | |
| | Mikhail Youzhny | 6 | 5 | 7 | | | | |
| | Mikhail Youzhny | 6 | 5 | 7 | | Mikhail Youzhny | 3 | 3 |
| | | | | | 2 | Jo-Wilfried Tsonga | 6 | 6 |
| 4 | Gaël Monfils | 3 | 3 | | 2 | Jo-Wilfried Tsonga | 6 | 6 |
| 2 | Jo-Wilfried Tsonga | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | JM del Potro | 4 | 4 | | | | | | | | | | | | | | | |
| Q | É Roger-Vasselin | 6 | 6 | | Q | É Roger-Vasselin | 4 | 6 | 6 | | | | | | | | | |
| | J Melzer | 7$^7$ | 6 | | | J Melzer | 6 | 2 | 3 | | | | | | | | | |
| | L Mayer | 6$^4$ | 3 | | | | | | | Q | É Roger-Vasselin | 4 | 0 | | | | | |
| | A Golubev | 7$^7$ | 6$^2$ | 2 | | | | | | 8 | L Hewitt | 6 | 6 | | | | | |
| | F Santoro | 6$^5$ | 7$^7$ | 6 | | F Santoro | 6 | 3 | 1 | | | | | | | | | |
| WC | T Ito | 1 | 5 | | 8 | L Hewitt | 3 | 6 | 6 | | | | | | | | | |
| 8 | L Hewitt | 6 | 7 | | | | | | | | | | | 8 | L Hewitt | 2 | 7 | 5 |
| 3 | G Simon | 6 | 6 | | | | | | | | | | | | M Youzhny | 6 | 5 | 7 |
| WC | T Suzuki | 3 | 4 | | 3 | G Simon | 6$^5$ | 7$^7$ | 4 | | | | | | | | | |
| | T Bellucci | 2 | 3 | | | M Youzhny | 7$^7$ | 6$^5$ | 6 | | | | | | | | | |
| | M Youzhny | 6 | 6 | | | | | | | | M Youzhny | 6 | 7$^{10}$ | | | | | |
| | A Beck | 6 | 4 | 7$^7$ | | | | | | 5 | T Berdych | 2 | 6$^8$ | | | | | |
| | R Schüttler | 3 | 6 | 6$^3$ | | A Beck | 4 | 1 | | | | | | | | | | |
| WC | G Soeda | 2 | 4 | | 5 | T Berdych | 6 | 6 | | | | | | | | | | |
| 5 | T Berdych | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | S Wawrinka | 6 | 6 | | | | | | | | | | | | | | | |
| | J Isner | 4 | 4 | | 7 | S Wawrinka | 6 | 6 | | | | | | | | | | |
| | S Greul | 4 | 6 | 6 | | S Greul | 3 | 2 | | | | | | | | | | |
| | M Vassallo Argüello | 6 | 4 | 2 | | | | | | 7 | S Wawrinka | 6 | 3 | 4 | | | | |
| Q | M Chiudinelli | 4 | 6 | 6 | | | | | | 4 | G Monfils | 2 | 6 | 6 | | | | |
| | D Sela | 6 | 1 | 4 | Q | M Chiudinelli | 6$^5$ | 3 | | | | | | | | | | |
| Q | M İlhan | 2 | 4 | | 4 | G Monfils | 7$^7$ | 6 | | | | | | | | | | |
| 4 | G Monfils | 6 | 6 | | | | | | | | | | | | 4 | G Monfils | 3 | 3 |
| 6 | R Štěpánek | 4 | 4 | | | | | | | | | | | | 2 | J-W Tsonga | 6 | 6 |
| Q | E Gulbis | 6 | 6 | | Q | E Gulbis | 6 | 4 | | | | | | | | | | |
| | J Mónaco | 5 | | | | J Mónaco | 3 | 1$^r$ | | | | | | | | | | |
| | G García-López | 0$^r$ | | | | | | | | Q | E Gulbis | 6 | 4 | 3 | | | | |
| | R Gasquet | 6 | 6 | | | | | | | 2 | J-W Tsonga | 4 | 6 | 6 | | | | |
| | P Petzschner | 3 | 2 | | | R Gasquet | 6 | 2 | 2 | | | | | | | | | |
| | M Zverev | 4 | 3 | | 2 | J-W Tsonga | 4 | 6 | 6 | | | | | | | | | |
| 2 | J-W Tsonga | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Ernests Gulbis (qualified)
* Marco Chiudinelli (qualified)
* Somdev Devvarman (first round)
* Édouard Roger-Vasselin (qualified)
* Im Kyu-tae (qualifying competition)
* Marsel İlhan (qualified)
* Dominik Meffert (qualifying competition)
* Rik de Voest (qualifying competition)

### Qualifiers

* Ernests Gulbis
* Marco Chiudinelli
* Marsel İlhan
* Édouard Roger-Vasselin

### Draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Ernests Gulbis | 6 | 6 | | | | | |
| | Junn Mitsuhashi | 2 | 3 | | | | | |
| | Junn Mitsuhashi | 2 | 3 | 1 | Ernests Gulbis | 6$^3$ | 6 | 6 |
| | | | | 7 | Dominik Meffert | 7$^7$ | 3 | 4 |
| WC | Yuichi Ito | 3 | 2 | 7 | Dominik Meffert | 7$^7$ | 3 | 4 |
| 7 | Dominik Meffert | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Marco Chiudinelli | 6 | 6 | | | | | | |
| | Luka Gregorc | 3 | 4 | | | | | | |
| | Luka Gregorc | 3 | 4 | | 2 | Marco Chiudinelli | 6$^6$ | 6 | 6 |
| | | | | | 5 | Im Kyu-tae | 7$^8$ | 4 | 2 |
| WC | Hiroyasu Ehara | 6 | 2 | 3 | 5 | Im Kyu-tae | 7$^8$ | 4 | 2 |
| 5 | Im Kyu-tae | 0 | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Somdev Devvarman | 6 | 5 | 4 | | | | |
| | Yūichi Sugita | 3 | 7 | 6 | | | | |
| | Yūichi Sugita | 3 | 7 | 6 | | Yūichi Sugita | 6$^4$ | 1 |
| | | | | | 6 | Marsel İlhan | 7$^7$ | 6 |
| | Hiroki Kondo | 3 | 4 | | 6 | Marsel İlhan | 7$^7$ | 6 |
| 6 | Marsel İlhan | 6 | 6 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Édouard Roger-Vasselin | 6 | 6 | | | | | |
| | Alexander Peya | 2 | 4 | | | | | |
| | Alexander Peya | 2 | 4 | 4 | Édouard Roger-Vasselin | 3 | 6 | 6 |
| | | | | 8 | Rik de Voest | 6 | 3 | 4 |
| WC | Hiroki Moriya | 4 | 6$^3$ | 8 | Rik de Voest | 6 | 3 | 4 |
| 8 | Rik de Voest | 6 | 7$^7$ | | | | | |