2015 Rakuten Japan Open Tennis Championships

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2015 Rakuten Japan Open Tennis Championships
Date	5–11 October
Edition	42nd
Category	ATP World Tour 500
Draw	32S / 16D
Surface	Hard / outdoor
Location	Tokyo, Japan
Champions
Singles
Stan Wawrinka
Doubles
Raven Klaasen / Marcelo Melo
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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.