2025 Japan Open Tennis Championships

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]

• Carlos Alcaraz def. Taylor Fritz, 6–4, 6–4

• Hugo Nys / Édouard Roger-Vasselin def. Rohan Bopanna / Takeru Yuzuki, 7–5, 7–5

• ¹ Rankings are as of 15 September 2025.^[2]

The following players received wildcards into the singles main draw:

• Shintaro Mochizuki
• Yoshihito Nishioka
• Yosuke Watanuki

The following player received entry using a protected ranking:

• Jenson Brooksby

The following players received entry from the qualifying draw:

• Márton Fucsovics
• Ethan Quinn
• Sho Shimabukuro
• Aleksandar Vukic

• Jack Draper → replaced by Marcos Giron
• Jiří Lehečka → replaced by Daniel Altmaier
• Alexei Popyrin → replaced by Jenson Brooksby
• Ben Shelton → replaced by Hamad Medjedovic

• Rankings are as of 15 September 2025.

The following pairs received wildcards into the doubles main draw:

• Rohan Bopanna / Takeru Yuzuki
• Kaito Uesugi / Seita Watanabe

The following pair received entry from the qualifying draw:

• Fernando Romboli / Jan Zieliński

• Official website