2012 Rakuten Japan Open Tennis Championships – Singles
| Singles | |
|---|---|
| 2012 Rakuten Japan Open Tennis Championships | |
| Champion | Kei Nishikori |
| Runner-up | Milos Raonic |
| Score | 7–6(7–5), 3–6, 6–0 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Andy Murray was the defending champion, but lost to Milos Raonic in the semifinals.
Eighth-seeded Kei Nishikori won the title beating Milos Raonic in the final 7–6(7–5), 3–6, 6–0, and in doing so became the first home grown winner of the title since Toshiro Sakai in 1972.