2016 Rakuten Japan Open Tennis Championships
The 2016 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 43rd edition of the Japan Open, and part of the 500 Series of the 2016 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from October 3–9, 2016.Point distribution
Prize money
Seeds
The following players received wildcards into the singles main draw:
The following player using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
;Before the tournament
;During the tournament
Seeds
- Rankings are as of September 26, 2016
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
;During the tournament
- Radek Štěpánek
Retirements
- Feliciano López
Champions
Singles