| 2009 Rakuten Japan Open Tennis Championships | ||||
|---|---|---|---|---|
| Date | 5–11 October | |||
| Edition | 36th | |||
| Category | ATP World Tour 500 | |||
| Surface | Hard / outdoor | |||
| Location | Tokyo, Japan | |||
| Venue | Ariake Coliseum | |||
| Champions | ||||
| Singles | ||||
 Jo-Wilfried Tsonga | ||||
| Doubles | ||||
 Julian Knowle /Jürgen Melzer | ||||
| ||||
The2009 Rakuten Japan Open Tennis Championships was a men'stennis tournament played on outdoorhard courts. It was the 36th edition of the event known that year as theRakuten Japan Open Tennis Championships, and was part of the500 Series of the2009 ATP World Tour. It was held at theAriake Coliseum in Tokyo, Japan, from October 5 through October 11, 2009. Second-seededJo-Wilfried Tsonga won the singles title.[1][2]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | Juan Martín del Potro | 5 | 1 |
| FRA | Jo-Wilfried Tsonga | 7 | 2 |
| FRA | Gilles Simon | 10 | 3 |
| FRA | Gaël Monfils | 13 | 4 |
 CZE | Tomáš Berdych | 16 | 5 |
| CZE | Radek Štěpánek | 17 | 6 |
 SWI | Stanislas Wawrinka | 23 | 7 |
 AUS | Lleyton Hewitt | 26 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Jo-Wilfried Tsonga defeated
Mikhail Youzhny, 6–3, 6–3
Julian Knowle /Jürgen Melzer defeated
Ross Hutchins /Jordan Kerr, 6–2, 5–7, [10–8]
