| 2019 Rakuten Japan Open Tennis Championships | |
|---|---|
| Date | 30 September – 6 October |
| Edition | 46th |
| Category | ATP Tour 500 |
| Draw | 32S/16D |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Singles | |
 Novak Djokovic | |
| Doubles | |
 Nicolas Mahut / Édouard Roger-Vasselin | |
The 2019 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was 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 through October 6, 2019. First-seeded Novak Djokovic won the singles title.[1]
- ^ "Rakuten Japan Open Tennis Championships Overview". atptour.com.