2025 Open de Rennes
| 2025 Open de Rennes | |
|---|---|
| Date | 8–14 September |
| Edition | 19th |
| Surface | Hard (Indoor) |
| Location | Rennes, France |
| Champions | |
| Singles | |
| Hugo Gaston | |
| Doubles | |
| Patrik Niklas-Salminen / Matěj Vocel | |
The 2025 Open Blot Rennes was a professional tennis tournament played on hard courts. It was the 19th edition of the tournament and part of the 2025 ATP Challenger Tour. It took place in Rennes, France between 8 and 14 September 2025.