2025 Hangzhou Open
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The 2025 Hangzhou Open was a men's tennis tournament played on outdoor hardcourts. It was the second edition of the Hangzhou Open an ATP 250 tournament on the 2025 ATP Tour. It took place at the Hangzhou Olympic Sports Expo Center in Hangzhou, China, from 17 September until 23 September 2025.
Champions
Singles
- Kazakhstan Alexander Bublik def. France Valentin Royer, 7–6(7–4), 7–6(7–4)
Doubles
- Portugal Francisco Cabral / Austria Lucas Miedler def. Colombia Nicolás Barrientos / Netherlands David Pel, 6–4, 6–4
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Andrey Rublev | 14 | 1 | |
| Daniil Medvedev | 18 | 2 | |
| KAZ | Alexander Bublik | 19 | 3 |
| FRA | Corentin Moutet | 39 | 4 |
| ARG | Camilo Ugo Carabelli | 43 | 5 |
| FRA | Adrian Mannarino | 53 | 6 |
| USA | Learner Tien | 54 | 7 |
| ITA | Matteo Berrettini | 57 | 8 |
- 1 Rankings are as of 15 September 2025
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Spain Roberto Bautista Agut → replaced by Czech Republic Dalibor Svrčina
- Italy Mattia Bellucci → replaced by Australia Adam Walton
- Serbia Laslo Djere → replaced by Australia Aleksandar Vukic
- Karen Khachanov → replaced by China Bu Yunchaokete
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| POR | Francisco Cabral | AUT | Lucas Miedler | 59 | 1 |
| USA | Robert Cash | USA | JJ Tracy | 71 | 2 |
| BRA | Fernando Romboli | AUS | John-Patrick Smith | 90 | 3 |
| ARG | Guido Andreozzi | FRA | Manuel Guinard | 95 | 4 |
- 1 Rankings are as of 15 September 2025
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry with a protected ranking: