# 2011 Open de Rennes – Singles

Marc Gicquel was the defending champion but decided not to participate. Julien Benneteau won the title, defeating Olivier Rochus in the final.

## Seeds

* Gilles Müller (quarterfinals)
* Adrian Mannarino (second round)
* Julien Benneteau (champion)
* Olivier Rochus (final)
* Nicolas Mahut (quarterfinals)
* Steve Darcis (second round)
* Alejandro Falla (first round)
* Cedrik-Marcel Stebe (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Édouard Roger-Vasselin | 2 | 2 | | | | |
| 4 | Olivier Rochus | 6 | 6 | | | | |
| 4 | Olivier Rochus | 6 | 6 | 4 | Olivier Rochus | 4 | 3 |
| | | | | 3 | Julien Benneteau | 6 | 6 |
| 3 | Julien Benneteau | 6 | 6 | 3 | Julien Benneteau | 6 | 6 |
| | Roberto Bautista-Agut | 3 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1/WC | G Müller | 7 | 6$^3$ | 6 | | | | | | | | | | | | | |
| | S Bubka | 5 | 7$^7$ | 4 | 1/WC | G Müller | 6 | 6 | | | | | | | | | |
| WC | G Burquier | 4 | 2 | | | R Berankis | 4 | 2 | | | | | | | | | |
| | R Berankis | 6 | 6 | | | | | | | 1/WC | G Müller | 5 | 2 | | | | |
| | É Roger-Vasselin | 6 | 6 | | | | | | | | É Roger-Vasselin | 7 | 6 | | | | |
| | F Delbonis | 2 | 2 | | | É Roger-Vasselin | 3 | 6 | 6 | | | | | | | | |
| | A Gensse | 4 | 3 | | 6 | S Darcis | 6 | 1 | 3 | | | | | | | | |
| 6 | S Darcis | 6 | 6 | | | | | | | | | | | | É Roger-Vasselin | 2 | 2 |
| 4 | O Rochus | 6 | 2 | 6 | | | | | | | | | | 4 | O Rochus | 6 | 6 |
| WC | J Dasnières de Veigy | 2 | 6 | 2 | 4 | O Rochus | 6 | 6 | | | | | | | | | |
| Q | I Bozoljac | 6 | 6 | | Q | I Bozoljac | 3 | 4 | | | | | | | | | |
| | J Zopp | 1 | 3 | | | | | | | 4 | O Rochus | 6 | 6 | | | | |
| Q | I Minář | 7$^{12}$ | 5 | 6$^2$ | | | | | | | R Bemelmans | 2 | 3 | | | | |
| | R Bemelmans | 6$^{10}$ | 7 | 7$^7$ | | R Bemelmans | 7$^{10}$ | 6 | | | | | | | | | |
| | J Hájek | 6 | 3 | 6 | | J Hájek | 6$^8$ | 1 | | | | | | | | | |
| 7 | A Falla | 3 | 6 | 1 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | C-M Stebe | 2 | 3 | | | | | | | | | | | | | | | |
| Q | D Evans | 6 | 6 | | Q | D Evans | 6 | 4 | 3 | | | | | | | | | |
| | D Brown | 5 | 2 | | | M Jaziri | 1 | 6 | 6 | | | | | | | | | |
| | M Jaziri | 7 | 6 | | | | | | | | M Jaziri | 7 | 5 | 0$^r$ | | | | |
| | M Teixeira | 1 | 4 | | | | | | | 3 | J Benneteau | 5 | 7 | 3 | | | | |
| | L Lacko | 6 | 6 | | | L Lacko | 5 | 6 | 6$^5$ | | | | | | | | | |
| | A Brugués-Davi | 3 | 0 | | 3 | J Benneteau | 7 | 3 | 7$^7$ | | | | | | | | | |
| 3 | J Benneteau | 6 | 6 | | | | | | | | | | | | 3 | J Benneteau | 6 | 6 |
| 5 | N Mahut | 7$^7$ | 6 | | | | | | | | | | | | | R Bautista-Agut | 3 | 4 |
| | D Guez | 6$^1$ | 4 | | 5 | N Mahut | 6 | 6 | | | | | | | | | | |
| WC | A Clément | 6 | 6 | | WC | A Clément | 3 | 3 | | | | | | | | | | |
| Q | N Mektić | 4 | 3 | | | | | | | 5 | N Mahut | 4 | 5 | | | | | |
| | R Bautista-Agut | 4 | 6 | 7$^9$ | | | | | | | R Bautista-Agut | 6 | 7 | | | | | |
| | A Beck | 6 | 3 | 6$^7$ | | R Bautista-Agut | 4 | 7 | 6 | | | | | | | | | |
| | K de Schepper | 6$^2$ | 6 | 6$^5$ | 2 | A Mannarino | 6 | 5 | 3 | | | | | | | | | |
| 2 | A Mannarino | 7$^7$ | 4 | 7$^7$ | | | | | | | | | | | | | | |