# 2011 Open de Moselle – Singles

Gilles Simon was the defending champion, but chose not to compete this year.
Jo-Wilfried Tsonga won the title, defeating Ivan Ljubičić 6–3, 6–7$^{(4–7)}$, 6–3 in the final. It was his first title since October 2009, having failed to make a single ATP World Tour final in 2010.

## Seeds

* Jo-Wilfried Tsonga (champion)
* Richard Gasquet (quarterfinals)
* Alexandr Dolgopolov (semifinals)
* Ivan Ljubičić (final)
* Michaël Llodra (first round)
* Xavier Malisse (quarterfinals, retired)
* Philipp Kohlschreiber (second round)
* Gilles Müller (semifinals)

## 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 | Final |
| 1 | Jo-Wilfried Tsonga | 6 | 6 | | | | | |
| 3 | Alexandr Dolgopolov | 4 | 4 | | | | | |
| 3 | Alexandr Dolgopolov | 4 | 4 | 1 | Jo-Wilfried Tsonga | 6 | 6$^4$ | 6 |
| | | | | 4 | Ivan Ljubičić | 3 | 7$^7$ | 3 |
| 4 | Ivan Ljubičić | 7$^7$ | 7$^7$ | 4 | Ivan Ljubičić | 3 | 7$^7$ | 3 |
| 8 | Gilles Müller | 6$^3$ | 6$^5$ | | | | | |

### 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 | J-W Tsonga | 6 | 6 | | | | | | | | | | |
| | M Kukushkin | 2 | 6 | 4 | Q | M Rodrigues | 3 | 4 | | | | | | | | | | |
| Q | M Rodrigues | 6 | 3 | 6 | | | | | | 1 | J-W Tsonga | 4 | 6 | 7 | | | | |
| | N Mahut | 6 | 6 | | | | | | | | N Mahut | 6 | 3 | 5 | | | | |
| | D Junqueira | 3 | 2 | | | N Mahut | 3 | 7 | 6 | | | | | | | | | |
| WC | A Clément | 6 | 6 | | WC | A Clément | 6 | 5 | 3 | | | | | | | | | |
| 5 | M Llodra | 3 | 4 | | | | | | | | | | | | 1 | J-W Tsonga | 6 | 6 |
| | | | | | | | | | | | | | | | 3 | A Dolgopolov | 4 | 4 |
| | | | | | 3 | A Dolgopolov | 6$^5$ | 7 | 6 | | | | | | | | | |
| | M Bachinger | 5 | 2 | | | M Baghdatis | 7$^7$ | 5 | 3 | | | | | | | | | |
| | M Baghdatis | 7 | 6 | | | | | | | 3 | A Dolgopolov | 6 | 1 | | | | | |
| | I Kunitsyn | 7 | 5 | 6 | | | | | | 6 | X Malisse | 3 | 0 | r | | | | |
| WC | K de Schepper | 5 | 7 | 4 | | I Kunitsyn | 4 | 2 | | | | | | | | | | |
| | M Berrer | 4 | 6 | 4 | 6 | X Malisse | 6 | 6 | | | | | | | | | | |
| 6 | X Malisse | 6 | 3 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | P Kohlschreiber | 6 | 7$^7$ | | | | | | | | | | | | |
| Q | J Dasnières de Veigy | 4 | 6$^4$ | 7 | P Kohlschreiber | 4 | 5 | | | | | | | | |
| Q | I Sijsling | 6 | 6 | Q | I Sijsling | 6 | 7 | | | | | | | | |
| | G Dimitrov | 2 | 2 | | | | | Q | I Sijsling | 4 | 3 | | | | |
| | T Kamke | 5 | 4 | | | | | 4 | I Ljubičić | 6 | 6 | | | | |
| Q | N Renavand | 7 | 6 | Q | N Renavand | 5 | 5 | | | | | | | | |
| | | | | 4 | I Ljubičić | 7 | 7 | | | | | | | | |
| | | | | | | | | | | | | 4 | I Ljubičić | 7$^7$ | 7$^7$ |
| 8 | G Müller | 7$^7$ | 7$^7$ | | | | | | | | | 8 | G Müller | 6$^3$ | 6$^5$ |
| | P Petzschner | 6$^2$ | 6$^5$ | 8 | G Müller | 7$^7$ | 6 | | | | | | | | |
| WC | B Paire | 7 | 6 | WC | B Paire | 6$^5$ | 4 | | | | | | | | |
| | A Golubev | 5 | 2 | | | | | 8 | G Müller | 6 | 6 | | | | |
| | O Rochus | 6 | 6 | | | | | 2 | R Gasquet | 3 | 4 | | | | |
| | S Robert | 1 | 3 | | O Rochus | 2 | 1 | | | | | | | | |
| | | | | 2 | R Gasquet | 6 | 6 | | | | | | | | |