2013 Rakuten Japan Open Tennis Championships
The 2013 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 40th edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2013 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 30 till October 6, 2013.Point distribution
Seeds
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
;Before the tournament
Seeds
- Rankings are as of September 23, 2013
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
;Before the tournament
Singles