# 2011 Open 13 – Singles

Michaël Llodra was the defending champion, but he lost in quarterfinals to Robin Söderling. Söderling reached the final, where he defeated Marin Čilić 6–7$^{(8–10)}$, 6–3, 6–3 to claim his third title of the year and ninth of his career.

## Seeds

The top four seeds received a bye into the second round.
* Robin Söderling (champion)
* Tomáš Berdych (quarterfinals)
* Mikhail Youzhny (semifinal)
* Jürgen Melzer (quarterfinals)
* Ivan Ljubičić (second round)
* Jo-Wilfried Tsonga (quarterfinals)
* Ernests Gulbis (first round)
* Michaël Llodra (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 | Final |
| 1 | Robin Söderling | 7 | 6 | | | | | | |
| PR | Dmitry Tursunov | 5 | 1 | | | | | | |
| PR | Dmitry Tursunov | 5 | 1 | | 1 | Robin Söderling | 6$^8$ | 6 | 6 |
| | | | | | | Marin Čilić | 7 | 3 | 3 |
| 3 | Mikhail Youzhny | 2 | 6 | 5 | | Marin Čilić | 7 | 3 | 3 |
| | Marin Čilić | 6 | 1 | 7 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | R Söderling | 7 | 7 | | | | | | | | | |
| WC | N Mahut | 6 | 6 | | WC | N Mahut | 6$^8$ | 6$^5$ | | | | | | | | | |
| Q | A Kumantsov | 2 | 0 | | | | | | 1 | R Söderling | 6 | 6 | | | | | |
| Q | T Schoorel | 0 | 2 | | | | | | 8 | M Llodra | 1 | 4 | | | | | |
| | T Kamke | 6 | 6 | | | T Kamke | 3 | 4 | | | | | | | | | |
| | J Benneteau | 4 | 6 | 3 | 8 | M Llodra | 6 | 6 | | | | | | | | | |
| 8 | M Llodra | 6 | 4 | 6 | | | | | | | | | | 1 | R Söderling | 7 | 6 |
| | | | | | | | | | | | | | | PR | D Tursunov | 5 | 1 |
| | | | | | 4 | J Melzer | 7 | 6 | | | | | | | | | |
| | R Haase | 7 | 4 | 6$^2$ | | A Seppi | 5 | 3 | | | | | | | | | |
| | A Seppi | 5 | 6 | 7 | | | | | 4 | J Melzer | 4 | 6 | 1 | | | | |
| WC | G Dimitrov | 7 | 5 | 6$^4$ | | | | | PR | D Tursunov | 6 | 2 | 6 | | | | |
| PR | D Tursunov | 6$^8$ | 7 | 7 | PR | D Tursunov | 7 | 6 | | | | | | | | | |
| | A Golubev | 2 | 4 | | 5 | I Ljubičić | 6$^4$ | 3 | | | | | | | | | |
| 5 | I Ljubičić | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | J-W Tsonga | 6 | 6 | | | | | | | | | | | | | | | | |
| WC | B Paire | 1 | 2 | | 6 | J-W Tsonga | 5 | 6 | 6 | | | | | | | | | | |
| | I Marchenko | 4 | 3 | | | S Stakhovsky | 7 | 4 | 2 | | | | | | | | | | |
| | S Stakhovsky | 6 | 6 | | | | | | | 6 | J-W Tsonga | 4 | 6 | 4 | | | | | |
| | N Davydenko | 6$^6$ | 4 | | | | | | | 3 | M Youzhny | 6 | 2 | 6 | | | | | |
| | G Simon | 7 | 6 | | | G Simon | 6 | 3 | 3 | | | | | | | | | | |
| | | | | | 3 | M Youzhny | 3 | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | M Youzhny | 2 | 6 | 5 |
| 7 | E Gulbis | 6$^2$ | 1 | | | | | | | | | | | | | M Čilić | 6 | 1 | 7 |
| | P Petzschner | 7 | 6 | | | P Petzschner | 6$^3$ | 3 | | | | | | | | | | | |
| | M Čilić | 6$^6$ | 6 | 6 | | M Čilić | 7 | 6 | | | | | | | | | | | |
| Q | S Bohli | 7 | 3 | 2 | | | | | | | M Čilić | 6 | 6 | | | | | | |
| | A Clément | 3 | 2 | | | | | | | 2 | T Berdych | 3 | 4 | | | | | | |
| Q | É Roger-Vasselin | 6 | 6 | | Q | É Roger-Vasselin | 3 | 4 | | | | | | | | | | | |
| | | | | | 2 | T Berdych | 6 | 6 | | | | | | | | | | | |