# 2011 Challenger DCNS de Cherbourg – Singles

Nicolas Mahut was the defending champion and 2nd seed. He reached the final, but lost to 1st seed Grigor Dimitrov 2–6, 6–7$^{(4–7)}$.

## Seeds

* Grigor Dimitrov (champion)
* Nicolas Mahut (final)
* Arnaud Clément (first round)
* Édouard Roger-Vasselin (second round)
* Benoît Paire (second round)
* Andreas Beck (first round)
* Alexandre Kudryavtsev (second round)
* Stéphane Bohli (quarterfinals)

## 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 | Semifinals | Final | Final | Final | Final |
| 1 | Grigor Dimitrov | 6 | 6 | | | | | |
| | Stéphane Robert | 3 | 0 | | | | | |
| | Stéphane Robert | 3 | 0 | | 1 | Grigor Dimitrov | 6 | 7$^7$ |
| | | | | | 2 | Nicolas Mahut | 2 | 6$^5$ |
| | Karol Beck | 6 | 4 | 3 | 2 | Nicolas Mahut | 2 | 6$^5$ |
| 2 | Nicolas Mahut | 4 | 6 | 6 | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | G Dimitrov | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | | |
| | D Guez | 6$^3$ | 6$^4$ | | 1 | G Dimitrov | 7$^7$ | 6 | | | | | | | | | | |
| | J Ouanna | 3 | 0 | | | I Minář | 6$^5$ | 2 | | | | | | | | | | |
| | I Minář | 6 | 6 | | | | | | | 1 | G Dimitrov | 6$^4$ | 7$^7$ | 6 | | | | |
| | V Millot | 2 | 0 | r | | | | | | 8 | S Bohli | 7$^7$ | 6$^4$ | 3 | | | | |
| | M Gicquel | 6 | 3 | | | M Gicquel | 3 | 2 | | | | | | | | | | |
| | Y Mertens | 1 | 7$^7$ | 1 | 8 | S Bohli | 6 | 6 | | | | | | | | | | |
| 8 | S Bohli | 6 | 6$^3$ | 6 | | | | | | | | | | | 1 | G Dimitrov | 6 | 6 |
| 3 | A Clément | 4 | 6$^6$ | | | | | | | | | | | | | S Robert | 3 | 0 |
| SE | Stefan Seifert | 6 | 7$^8$ | | SE | S Seifert | 2 | 3 | | | | | | | | | | |
| | S Robert | 6 | 6 | | | S Robert | 6 | 6 | | | | | | | | | | |
| Q | J Mertl | 3 | 0 | | | | | | | | S Robert | 6 | 6 | | | | | |
| | K Kravchuk | 1 | 3 | | | | | | | | J Millman | 3 | 3 | | | | | |
| | J Millman | 6 | 6 | | | J Millman | 6 | 2 | 7$^7$ | | | | | | | | | |
| | G Burquier | 6 | 6$^2$ | 3 | 7 | A Kudryavtsev | 4 | 6 | 6$^2$ | | | | | | | | | |
| 7 | A Kudryavtsev | 1 | 7$^7$ | 6 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | A Beck | 6 | 6$^3$ | 3 | | | | | | | | | | | | | | |
| | M Semjan | 1 | 7$^7$ | 6 | | M Semjan | 6 | 2 | 6 | | | | | | | | | |
| WC | A Sidorenko | 6 | 6 | | WC | A Sidorenko | 2 | 6 | 2 | | | | | | | | | |
| | P Červenák | 1 | 4 | | | | | | | | M Semjan | 2 | 1 | | | | | |
| | K Beck | 6 | 3 | 6 | | | | | | | K Beck | 6 | 6 | | | | | |
| WC | J Eysseric | 4 | 6 | 3 | | K Beck | 6 | 6 | | | | | | | | | | |
| | B Klein | 3 | 4 | | 4 | É Roger-Vasselin | 4 | 4 | | | | | | | | | | |
| 4 | É Roger-Vasselin | 6 | 6 | | | | | | | | | | | | K Beck | 6 | 4 | 3 |
| 5/WC | B Paire | 6 | 3 | 7$^7$ | | | | | | | | | | 2 | N Mahut | 4 | 6 | 6 |
| | R Jouan | 4 | 6 | 6$^4$ | 5/WC | B Paire | 3 | 4 | | | | | | | | | | |
| Q | N Desein | 2 | 2 | | | R Bautista-Agut | 6 | 6 | | | | | | | | | | |
| | R Bautista-Agut | 6 | 6 | | | | | | | | R Bautista-Agut | 4 | 4 | | | | | |
| Q | M Teixeira | 7$^7$ | 6$^5$ | 3 | | | | | | 2 | N Mahut | 6 | 6 | | | | | |
| WC | K de Schepper | 6$^4$ | 7$^7$ | 6 | WC | K de Schepper | 3 | 6 | 6$^2$ | | | | | | | | | |
| Q | M Middelkoop | 6 | 3 | 2 | 2 | N Mahut | 6 | 4 | 7$^7$ | | | | | | | | | |
| 2 | N Mahut | 2 | 6 | 6 | | | | | | | | | | | | | | |