2023 Japan Open Tennis Championships
The 2023 Japan Open Tennis Championships was a men's tennis tournament played on outdoor hardcourts. It was the 48th edition of the Japan Open, and was part of the ATP Tour 500 series of the 2023 ATP Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from 16 to 22 October 2023.
Champions
Singles
Ben Shelton def. Aslan Karatsev, 7–5, 6–1Doubles
Rinky Hijikata / Max Purcell def. Jamie Murray / Michael Venus, 6–4, 6–1Singles main-draw entrants
Seeds
1 Rankings are as of 2 October 2023.Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
Withdrawals
- Andy Murray → replaced by Sebastian Ofner
- Kei Nishikori → replaced by Zhang Zhizhen
- Milos Raonic → replaced by Christopher O'Connell
Doubles main-draw entrants
Seeds
- Rankings are as of 2 October 2023.
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry from the qualifying draw:
The following pairs received entry as lucky losers:
Withdrawals
- Rohan Bopanna / Matthew Ebden → replaced by Kaichi Uchida / Yasutaka Uchiyama
- Marcel Granollers / Horacio Zeballos → replaced by Shintaro Mochizuki / Rio Noguchi
- Hugo Nys / Jan Zieliński → replaced by Ben McLachlan / Yoshihito Nishioka