| 2025 Japan Open Tennis Championships | |
|---|---|
| Date | 24–30 September |
| Edition | 51st |
| Category | ATP 500 |
| Draw | 32S/16D |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Singles | |
 Carlos Alcaraz | |
| Doubles | |
 Hugo Nys /  Édouard Roger-Vasselin | |
The 2025 Kinoshita Group Japan Open was a men's tennis tournament played on outdoor hardcourts. It was the 51st edition of the Japan Open, and an ATP 500 tournament on the 2025 ATP Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from 24 to 30 September 2025.[1]
Champions
Singles
Carlos Alcaraz def. Taylor Fritz, 6–4, 6–4
Doubles
- Hugo Nys / Édouard Roger-Vasselin def. Rohan Bopanna / Takeru Yuzuki, 7–5, 7–5
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ESP
|
Carlos Alcaraz | 1 | 1 |
 USA
|
Taylor Fritz | 5 | 2 |
 DEN
|
Holger Rune | 11 | 3 |
 NOR
|
Casper Ruud | 12 | 4 |
 CZE
|
Tomáš Macháč | 22 | 5 |
| FRA
|
Ugo Humbert | 24 | 6 |
.svg/1280px-Flag_of_Canada_(Pantone).svg.png) CAN
|
Denis Shapovalov | 26 | 7 |
| USA
|
Frances Tiafoe | 29 | 8 |
- 1 Rankings are as of 15 September 2025.[2]
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
.svg/1280px-Flag_of_Australia_(converted).svg.png)
Withdrawals
- Jack Draper → replaced by Marcos Giron
- Jiří Lehečka → replaced by Daniel Altmaier
- Alexei Popyrin → replaced by Jenson Brooksby
- Ben Shelton → replaced by Hamad Medjedovic
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| USA
|
Christian Harrison | USA
|
Evan King | 33 | 1 |
| MON
|
Hugo Nys | FRA
|
Édouard Roger-Vasselin | 38 | 2 |
 ARG
|
Máximo González | ARG
|
Andrés Molteni | 45 | 3 |
 NED
|
Sander Arends |  GBR
|
Luke Johnson | 54 | 4 |
- Rankings are as of 15 September 2025.
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
References
- ^ "Kinoshita Group Japan Open Tennis Championships Overview". atptour.com.
- ^ "2025 Player Entry List". japanopentennis.com. Retrieved 1 September 2025.
External links
- Official website