# 2011 Guzzini Challenger – Singles

Stéphane Bohli was the defending champion, but decided not to participate.
Unseeded Fabrice Martin won the title, beating 4th seed Kenny de Schepper 6–1, 6–7$^{(6–8)}$, 7–6$^{(7–3)}$ in the final.

## Seeds

* Rainer Schüttler (second round)
* Grega Žemlja (semifinals)
* Paolo Lorenzi (first round)
* Kenny de Schepper (final)
* Ruben Bemelmans (first round)
* Arnaud Clément (first round)
* Adrian Ungur (second round)
* Igor Sijsling (second round)

## 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 |
| | Stefano Galvani | 5 | 3 | | | | | | |
| 4 | Kenny de Schepper | 7 | 6 | | | | | | |
| 4 | Kenny de Schepper | 7 | 6 | | 4 | Kenny de Schepper | 1 | 7$^8$ | 6$^3$ |
| | | | | | Q | Fabrice Martin | 6 | 6$^6$ | 7$^7$ |
| Q | Fabrice Martin | 6 | 6$^2$ | 6 | Q | Fabrice Martin | 6 | 6$^6$ | 7$^7$ |
| 2 | Grega Žemlja | 4 | 7$^7$ | 4 | | | | | |

### Top half

| 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 | R Schüttler | 6 | 6 | | | | | | | | | | | | | | |
| | N Mektić | 3 | 3 | 1 | R Schüttler | 6$^2$ | 4 | | | | | | | | | | |
| | A Smirnov | 2 | 0 | | S Galvani | 7$^7$ | 6 | | | | | | | | | | |
| | S Galvani | 6 | 6 | | | | | | | S Galvani | 6 | 6 | | | | | |
| | M Mečíř Jr. | 4 | 4 | | | | | | | F Nielsen | 2 | 3 | | | | | |
| | Charles-Antoine Brézac | 6 | 6 | | Charles-Antoine Brézac | 6 | 5 | 1 | | | | | | | | | |
| | F Nielsen | 6 | 7$^7$ | | F Nielsen | 4 | 7 | 6 | | | | | | | | | |
| 5 | R Bemelmans | 3 | 6$^4$ | | | | | | | | | | | | S Galvani | 5 | 3 |
| 4 | K de Schepper | 7 | 4 | | | | | | | | | | | 4 | K de Schepper | 7 | 6 |
| Q | M Middelkoop | 5 | 2$^r$ | 4 | K de Schepper | 7 | 6 | | | | | | | | | | |
| | G Granollers | 6 | 6 | | G Granollers | 5 | 1 | | | | | | | | | | |
| Q | Andrea Agazzi | 2 | 1 | | | | | | 4 | K de Schepper | 6 | 3 | 6 | | | | |
| | J Minář | 6 | 6 | | | | | | Q | F Cipolla | 3 | 6 | 4 | | | | |
| | J Lemke | 4 | 4 | | J Minář | 0 | 1 | | | | | | | | | | |
| Q | F Cipolla | 7 | 6 | Q | F Cipolla | 6 | 6 | | | | | | | | | | |
| 6 | A Clément | 5 | 1 | | | | | | | | | | | | | | |

### 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 |
| 8 | I Sijsling | 6 | 6 | | | | | | | | | | | | | | | |
| | R Albot | 4 | 2 | | 8 | I Sijsling | 6 | 6$^6$ | 4 | | | | | | | | | |
| | F Delbonis | 3 | 4 | | Q | F Martin | 4 | 7$^8$ | 6 | | | | | | | | | |
| Q | F Martin | 6 | 6 | | | | | | | Q | F Martin | 6 | 7$^7$ | | | | | |
| WC | Giacomo Miccini | 6 | 3 | 6 | | | | | | WC | Federico Gaio | 3 | 6$^4$ | | | | | |
| | B Klein | 4 | 6 | 3 | WC | Giacomo Miccini | 3 | 3 | | | | | | | | | | |
| WC | Federico Gaio | 5 | 6 | 6 | WC | Federico Gaio | 6 | 6 | | | | | | | | | | |
| 3/WC | P Lorenzi | 7 | 4 | 4 | | | | | | | | | | Q | F Martin | 6 | 6$^2$ | 6 |
| 7 | A Ungur | 3 | 6 | 6 | | | | | | | | | | 2 | G Žemlja | 4 | 7$^7$ | 4 |
| | R Ghedin | 6 | 4 | 2 | 7 | A Ungur | 4 | 7$^7$ | 4 | | | | | | | | | |
| | R Bautista Agut | 6 | 7$^7$ | | | R Bautista Agut | 6 | 6$^4$ | 6 | | | | | | | | | |
| | L Walter | 1 | 6$^5$ | | | | | | | | R Bautista Agut | 6$^4$ | 6$^4$ | | | | | |
| | Grégoire Burquier | 7 | 6 | | | | | | | 2 | G Žemlja | 7$^7$ | 7$^7$ | | | | | |
| | D Cox | 5 | 0 | | | Grégoire Burquier | 2 | 3 | | | | | | | | | | |
| WC | Federico Torresi | 3 | 2 | | 2 | G Žemlja | 6 | 6 | | | | | | | | | | |
| 2 | G Žemlja | 6 | 6 | | | | | | | | | | | | | | | |