 | This article relies largely or entirely on a single source .(June 2025) |
| 2011 Open de Rennes | |
|---|---|
| Date | 10–16 October |
| Edition | 6th |
| Surface | Hard |
| Location | Rennes, France |
| Champions | |
| Singles | |
 Julien Benneteau | |
| Doubles | |
 Martin Emmrich /  Andreas Siljeström | |
The 2011 Open de Rennes was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Rennes, France between 10 and 16 October 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 LUX | Gilles Müller | 42 | 1 |
| FRA | Adrian Mannarino | 68 | 2 |
| FRA | Julien Benneteau | 73 | 3 |
 BEL | Olivier Rochus | 79 | 4 |
| FRA | Nicolas Mahut | 83 | 5 |
| BEL | Steve Darcis | 89 | 6 |
 COL | Alejandro Falla | 93 | 7 |
| GER | Cedrik-Marcel Stebe | 105 | 8 |
The following players received wildcards into the singles main draw:
Grégoire Burquier Arnaud Clément Jonathan Dasnières de Veigy Gilles Müller The following players received entry from the qualifying draw:
Julien Benneteau def. Olivier Rochus, 6–4, 6–3 [1]
Martin Emmrich / Andreas Siljeström def. Kenny de Schepper / Édouard Roger-Vasselin, 6–4, 6–4
