2009 Rakuten Japan Open Tennis Championships – Singles
| Singles | |
|---|---|
| 2009 Rakuten Japan Open Tennis Championships | |
| Champion | Jo-Wilfried Tsonga |
| Runner-up | Mikhail Youzhny |
| Score | 6–3, 6–3 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
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.