2019 Rakuten Japan Open Tennis Championships


The 2019 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was be the 46th edition of the Japan Open, and part of the ATP Tour 500 series of the 2019 ATP Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 30–October 6, 2019.

Singles main draw entrants

Seeds

The following players received wildcards into the singles main draw:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
;Before the tournament

Seeds

The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:

Singles