# 2011 Prosperita Open – Singles

Lukáš Rosol was the defending champion, but was eliminated by Stéphane Robert in the second round. Stéphane Robert won the title, defeating Ádám Kellner 6–1, 6–3 in the final.

## Seeds

* Jaroslav Pospíšil (second round)
* Lukáš Lacko (first round)
* Benoît Paire (semifinals)
* Ivo Minář (first round)
* Lukáš Rosol (second round)
* Karol Beck (second round)
* Alexandre Kudryavtsev (quarterfinals)
* David Guez (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 | Semifinals | Final | Final | Final | Final |
| | Stéphane Robert | 6 | 6$^4$ | 6 | | | | |
| 3 | Benoît Paire | 4 | 7 | 1 | | | | |
| 3 | Benoît Paire | 4 | 7 | 1 | | Stéphane Robert | 6 | 6 |
| | | | | | Q | Ádám Kellner | 1 | 3 |
| 8 | David Guez | 2 | 4 | | Q | Ádám Kellner | 1 | 3 |
| Q | Ádám Kellner | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Pospíšil | 6 | 6 | | | | | | | | | | | | | | | |
| Q | K Čapkovič | 1 | 0 | | 1 | J Pospíšil | 6 | 4 | 6$^4$ | | | | | | | | | |
| Q | P Červenák | 3 | 6 | 4 | | S Bubka | 4 | 6 | 7 | | | | | | | | | |
| | S Bubka | 6 | 1 | 6 | | | | | | | S Bubka | 6$^6$ | 4 | | | | | |
| | S Robert | 4 | 6 | 7 | | | | | | | S Robert | 7 | 6 | | | | | |
| | M Semjan | 6 | 0 | 5 | | S Robert | 7 | 2 | 6 | | | | | | | | | |
| | I Klec | 6$^5$ | 6$^6$ | | 5 | L Rosol | 5 | 6 | 4 | | | | | | | | | |
| 5 | L Rosol | 7 | 7 | | | | | | | | | | | | S Robert | 6 | 6$^4$ | 6 |
| 3 | B Paire | 6 | 6 | | | | | | | | | | | 3 | B Paire | 4 | 7 | 1 |
| | Laurent Rochette | 3 | 2 | | 3 | B Paire | 6 | 6 | | | | | | | | | | |
| WC | J Veselý | 6 | 4 | 1 | | Alexander Flock | 3 | 1 | | | | | | | | | | |
| | Alexander Flock | 4 | 6 | 6 | | | | | | 3 | B Paire | 6 | 6 | | | | | |
| | E Donskoy | 2 | 2 | | | | | | | 7 | A Kudryavtsev | 4 | 3 | | | | | |
| | J Zopp | 6 | 6 | | | J Zopp | 5 | 6 | 4 | | | | | | | | | |
| | E Korolev | 3 | 6 | 6$^3$ | 7 | A Kudryavtsev | 7 | 1 | 6 | | | | | | | | | |
| 7 | A Kudryavtsev | 6 | 3 | 7 | | | | | | | | | | | | | | |

### Bottom 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 |
| 8 | D Guez | 6 | 6 | | | | | | | | | | | | | | |
| WC | Martin Přikryl | 2 | 3 | | 8 | D Guez | 6 | 6 | | | | | | | | | |
| WC | N Reissig | 7 | 4 | 6 | WC | N Reissig | 3 | 4 | | | | | | | | | |
| | O Patience | 5 | 6 | 3 | | | | | 8 | D Guez | 6 | 6 | | | | | |
| | J Eysseric | 4 | 7 | 6 | | | | | | J Eysseric | 4 | 0 | | | | | |
| | A Martin | 6 | 6$^9$ | 3 | | J Eysseric | 7 | 6 | | | | | | | | | |
| | G Alcaide | 6 | 6 | | | G Alcaide | 6$^6$ | 0 | | | | | | | | | |
| 4 | I Minář | 4 | 0 | | | | | | | | | | | 8 | D Guez | 2 | 4 |
| 6 | K Beck | 6 | 1 | 7 | | | | | | | | | | Q | Á Kellner | 6 | 6 |
| Q | A Juška | 1 | 6 | 5 | 6 | K Beck | 3 | 1 | | | | | | | | | |
| Q | Á Kellner | 6 | 6 | | Q | Á Kellner | 6 | 6 | | | | | | | | | |
| WC | L Dlouhý | 4 | 4 | | | | | | Q | Á Kellner | 2 | 7 | 6 | | | | |
| | D Lojda | 6$^4$ | 6 | 3 | | | | | | U Ignatik | 6 | 6$^8$ | 3 | | | | |
| | N Mektić | 7 | 3 | 6 | | N Mektić | 3 | 4 | | | | | | | | | |
| | U Ignatik | 6 | 2 | 6 | | U Ignatik | 6 | 6 | | | | | | | | | |
| 2 | L Lacko | 4 | 6 | 3 | | | | | | | | | | | | | |