2012 Rakuten Japan Open Tennis Championships
The 2012 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 39th edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2012 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from October 1 till October 7, 2012.Seeds
- 1 Rankings are based on the rankings of September 24, 2012.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as lucky loser:
Seeds
- Rankings are as of September 24, 2012
Other entrants
The following pairs received wildcards into the doubles main draw:
Singles
