Alexander Bublik defeated Valentin Royer in the final, 7–6(7–4), 7–6(7–4) to win the singles tennis title at the 2025 Hangzhou Open. It was his eighth ATP Tour title. Bublik was the second player in the 2025 season to win a title without dropping serve during the tournament, after Taylor Fritz at the Stuttgart Open.
Marin Čilić was the defending champion, but lost in the first round to Nishesh Basavareddy.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky loser
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw