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| 2011 Open de Rennes | |
|---|---|
| Date | 10–16 October |
| Edition | 6th |
| Surface | Hard |
| Location | Rennes, France |
| Champions | |
| Singles | |
 Julien Benneteau | |
| Doubles | |
 Martin Emmrich / Andreas Siljeström | |
The2011Open de Rennes was a professionaltennis tournament played onhard courts. It was the sixth edition of the tournament which was part of the2011 ATP Challenger Tour. It took place inRennes, 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 BurquierArnaud ClémentJonathan Dasnières de VeigyGilles MüllerThe 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
