Carlos Alcaraz defeated Taylor Fritz in the final, 6–4, 6–4 to win the singles tennis title at the 2025 Japan Open. It was his 24th career ATP Tour title.
Arthur Fils was the reigning champion, but did not participate this year due to a back injury.
Seeds
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw