# 2011 ATP Challenger Trophy – Singles

Jaroslav Pospíšil was the defending champion but lost in the quarterfinals to eventual champion Íñigo Cervantes-Huegun. Spanish qualifier won in the final 6–4, 7–6$^{(7–3)}$, against Pavol Červenák.

## Seeds

* Martin Kližan (first round)
* Dustin Brown (first round)
* Björn Phau (quarterfinals)
* Augustin Gensse (first round)
* Jaroslav Pospíšil (quarterfinals)
* Jan Hájek (semifinals, retired due to left knee injury)
* Maxime Teixeira (first round)
* Yuri Schukin (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 |
| Q | Íñigo Cervantes-Huegun | 3 | 6 | 4 | | | | |
| 6 | Jan Hájek | 6 | 4 | 1$^r$ | | | | |
| 6 | Jan Hájek | 6 | 4 | 1$^r$ | Q | Íñigo Cervantes-Huegun | 6 | 7$^7$ |
| | | | | | | Pavol Červenák | 4 | 6$^3$ |
| Q | Kamil Čapkovič | 2 | 4 | | | Pavol Červenák | 4 | 6$^3$ |
| | Pavol Červenák | 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 | Semifinals |
| 1 | M Kližan | 1 | 2 | | | | | | | | | | | | | | | | |
| | A Martin | 6 | 6 | | | A Martin | 2 | 7 | 5 | | | | | | | | | | |
| Q | I Cervantes-Huegen | 7$^7$ | 6 | | Q | I Cervantes-Huegen | 6 | 5 | 7 | | | | | | | | | | |
| WC | Tristan-Samuel Weiβborn | 6$^2$ | 4 | | | | | | | Q | I Cervantes-Huegen | 7 | 7$^8$ | | | | | | |
| | M Crugnola | 0 | 3 | | | | | | | 5 | J Pospíšil | 5 | 6$^6$ | | | | | | |
| Q | M Lammer | 6 | 6 | | Q | M Lammer | 0 | 6$^4$ | | | | | | | | | | | |
| | I Klec | 4 | 6 | 0 | 5 | J Pospíšil | 6 | 7$^7$ | | | | | | | | | | | |
| 5 | J Pospíšil | 6 | 3 | 6 | | | | | | | | | | | Q | I Cervantes-Huegen | 3 | 6 | 4 |
| 4 | A Gensse | 2 | 1 | | | | | | | | | | | | 6 | J Hájek | 6 | 4 | 1$^r$ |
| | D Lojda | 6 | 6 | | | D Lojda | 6 | 0 | 6 | | | | | | | | | | |
| | Axel Michon | 2 | 3 | | Q | A Kuznetsov | 2 | 6 | 2 | | | | | | | | | | |
| Q | A Kuznetsov | 6 | 6 | | | | | | | | D Lojda | 1 | 6 | 4 | | | | | |
| WC | Martin Přikryl | 0 | 1 | | | | | | | 6 | J Hájek | 6 | 3 | 6 | | | | | |
| | G Granollers | 6 | 6 | | | G Granollers | 2 | 6 | 2 | | | | | | | | | | |
| | A Balázs | 0 | 1 | | 6 | J Hájek | 6 | 4 | 6 | | | | | | | | | | |
| 6 | J Hájek | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Teixeira | 3 | 6 | 1 | | | | | | | | | | | | | |
| WC | Jozef Kovalík | 6 | 1 | 6 | WC | J Kovalík | 6 | 2 | 1 | | | | | | | | |
| WC | Norbert Gomboš | 5 | 0 | | Q | K Čapkovič | 0 | 6 | 6 | | | | | | | | |
| Q | K Čapkovič | 7 | 6 | | | | | | | Q | K Čapkovič | 6 | 6 | | | | |
| | A Kellner | 6 | 7$^7$ | | | | | | | 3 | B Phau | 4 | 4 | | | | |
| | G Olaso | 2 | 6$^3$ | | | A Kellner | 5 | 0 | | | | | | | | | |
| LL | R Jebavý | 4 | 6 | 4 | 3 | B Phau | 7 | 6 | | | | | | | | | |
| 3 | B Phau | 6 | 2 | 6 | | | | | | | | | | Q | K Čapkovič | 2 | 4 |
| 8 | Y Schukin | 6 | 6 | | | | | | | | | | | | P Červenák | 6 | 6 |
| | M Gawron | 4 | 3 | | 8 | Y Schukin | 7 | 6 | | | | | | | | | |
| | R Albot | 5 | | | | R Albot | 5 | 2 | | | | | | | | | |
| LL | Alexander Flock | 0$^r$ | | | | | | | | 8 | Y Schukin | 3 | 1 | | | | |
| | J Sousa | 6 | 6 | | | | | | | | P Červenák | 6 | 6 | | | | |
| | W Trusendi | 1 | 2 | | | J Sousa | 2 | 3 | | | | | | | | | |
| | P Červenák | 6 | 7$^8$ | | | P Červenák | 6 | 6 | | | | | | | | | |
| 2 | D Brown | 1 | 6$^6$ | | | | | | | | | | | | | | |