The 2012 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 39th edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2012 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from October 1 till October 7, 2012. Kei Nishikori won the singles title
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 GBR
|
Andy Murray | 3 | 1 |
 CZE
|
Tomáš Berdych | 6 | 2 |
 SRB
|
Janko Tipsarević | 9 | 3 |
 ARG
|
Juan Mónaco | 11 | 4 |
 ESP
|
Nicolás Almagro | 12 | 5 |
 CAN
|
Milos Raonic | 15 | 6 |
 SWI
|
Stanislas Wawrinka | 16 | 7 |
 JPN
|
Kei Nishikori | 17 | 8 |
- 1 Rankings are based on the rankings of September 24, 2012.[1]
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as lucky loser:
Withdrawals
Mardy Fish
Gaël Monfils (right knee injury)
Retirements
- Viktor Troicki (calf muscle injury)
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 IND
|
Leander Paes | CZE
|
Radek Štěpánek | 14 | 1 |
 PAK
|
Aisam-ul-Haq Qureshi |  NED
|
Jean-Julien Rojer | 29 | 2 |
 MEX
|
Santiago González | USA
|
Scott Lipsky | 54 | 3 |
 AUT
|
Alexander Peya |  BRA
|
Bruno Soares | 57 | 4 |
- Rankings are as of September 24, 2012
Other entrants
The following pairs received wildcards into the doubles main draw:
Retirements
- Janko Tipsarević (tonsillitis)
Finals
Singles
Kei Nishikori defeated Milos Raonic, 7–6(7–5), 3–6, 6–0
Doubles
Alexander Peya / Bruno Soares defeated Leander Paes / Radek Štěpánek, 6–3, 7–6(7–5)
References
- ^ "2012 player entry list". rakutenopen.com. Tokyo, Japan: Japan Tennis Association. 2012. Archived from the original on 16 September 2012. Retrieved 11 September 2012.