2025 Chengdu Open
The 2025 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the seventh edition of the Chengdu Open and an ATP 250 tournament on the 2025 ATP Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from 17 to 23 September 2025.
Champions
Singles
- Alejandro Tabilo def. Lorenzo Musetti, 6–3, 2–6, 7–6
Doubles
- Constantin Frantzen / Robin Haase def. Vasil Kirkov / Bart Stevens, 4–6, 6–3,
Singles main-draw entrants
Seeds
- 1 Rankings are as of 15 September 2025
Other entrants
The following player received entry through the Next Gen Accelerator program:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
- Billy Harris
Withdrawals
- Daniel Altmaier → replaced by Alexander Shevchenko
- Sebastián Báez → replaced by Billy Harris
- Nuno Borges → replaced by Christopher O'Connell
- Jack Draper → replaced by Juan Manuel Cerúndolo
- Jacob Fearnley → replaced by Filip Misolic
- Miomir Kecmanović → replaced by Ethan Quinn
- Alexandre Müller → replaced by Térence Atmane
- Jaume Munar → replaced by Quentin Halys
Doubles main-draw entrants
Seeds
- 1 Rankings are as of 15 September 2025
Other entrants
- Cui Jie / Te Rigele
- Wang Aoran / Zhou Yi
- Siddhant Banthia / Ramkumar Ramanathan
- Tristan Schoolkate / Bernard Tomic
Withdrawals
- Luciano Darderi / Alejandro Tabilo → replaced by Siddhant Banthia / Ramkumar Ramanathan
- Tallon Griekspoor / Lorenzo Sonego → replaced by Tristan Schoolkate / Bernard Tomic