Japan Open 2015
Stan Wawrinka won the title, beating Benoit Paire 6–2 6–4 in the final.
Latest results
- Semifinal: Stan Wawrinka def. Gilles Muller 6–4 7–6(5)
- Semifinal: Benoit Paire def. Kei Nishikori 1–6 6–4 6–2
- Quarterfinal: Stan Wawrinka def. Austin Krajicek 6–3 6–4
- Quarterfinal: Gilles Muller def. Gilles Simon 6–3 6–4
Tokyo 2015 2015
- Defending champion
- Kei Nishikori
Ranking points by round
| Champion | 500 |
| Runner-up | 330 |
| Semifinal | 200 |
| Quarterfinal | 100 |
| Round of 16 | 50 |
| Round of 32 | 0 |
| Qualifier bonus | 25 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 2014 | Kei Nishikori | Milos Raonic |
| 2013 | Juan Martin del Potro | Milos Raonic |
| 2012 | Kei Nishikori | Milos Raonic |
| 2011 | Andy Murray | Rafael Nadal |
| 2010 | Rafael Nadal | Gael Monfils |
| 2009 | Jo-Wilfried Tsonga | Mikhail Youzhny |
| 2008 | Tomas Berdych | Juan Martin del Potro |
| 2007 | David Ferrer | Richard Gasquet |
Matches by round
43 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
Fin
Quarterfinals
4 finishedFin
Fin
Fin
Fin
Round of 16
8 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Round of 32
16 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Qualifying round 2
4 finishedFin
Fin
Fin
Fin
Qualifying round 1
8 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin