2015 Rakuten Japan Open Tennis Championships
The 2015 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 42nd edition of the Japan Open, and part of the 500 Series of the 2015 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from October 5–11, 2015.
Singles main-draw entrants
Seeds
1 Rankings are as of September 28, 2015.Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
Withdrawals
;Before the tournament- Pablo Andújar →replaced by Sam Groth
- Ernests Gulbis →replaced by Marcos Baghdatis
- Gaël Monfils →replaced by Albert Ramos Viñolas
Retirements
Doubles main-draw entrants
Seeds
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry from the qualifying draw:
The following pair received entry as lucky losers:
Withdrawals
;Before the tournamentFinals
Singles
- Stan Wawrinka defeated Benoît Paire, 6–2, 6–4
Doubles
- Raven Klaasen / Marcelo Melo defeated Juan Sebastián Cabal / Robert Farah, 7–6 , 3–6,