# 2012 Guzzini Challenger – Singles

Fabrice Martin was the defending champion, but was defeated by Simone Bolelli 6–3, 6–2 in the final.

## Seeds

* Malek Jaziri (second round)
* Karol Beck (first round)
* Florent Serra (quarterfinals)
* Simone Bolelli (champion)
* Peter Polansky (second round)
* Adrián Menéndez (quarterfinals)
* Kenny de Schepper (semifinals)
* Gianluca Naso (first 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 |
| WC | Evgeny Korolev | 3 | 6 | 2 | | | | |
| 4 | Simone Bolelli | 6 | 3 | 6 | | | | |
| 4 | Simone Bolelli | 6 | 3 | 6 | 4 | Simone Bolelli | 6 | 6 |
| | | | | | | Fabrice Martin | 3 | 2 |
| 7 | Kenny de Schepper | 4 | 5 | | | Fabrice Martin | 3 | 2 |
| | Fabrice Martin | 6 | 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 | Semifinals |
| 1 | M Jaziri | 6 | 6 | | | | | | | | | | | | | | | |
| Q | D Cox | 2 | 3 | | 1 | M Jaziri | 4 | 2 | | | | | | | | | | |
| WC | E Korolev | 4 | 6 | 6 | WC | E Korolev | 6 | 6 | | | | | | | | | | |
| | D Marcan | 6 | 2 | 0 | | | | | WC | E Korolev | 7$^7$ | 4 | 6 | | | | | |
| | D Giorgini | 4 | 6$^4$ | | | | | | 6 | A Menéndez | 6$^4$ | 6 | 3 | | | | | |
| | J Pospíšil | 6 | 7$^7$ | | | J Pospíšil | 4 | 6$^4$ | | | | | | | | | | |
| WC | Giacomo Miccini | 3 | 3 | | 6 | A Menéndez | 6 | 7$^7$ | | | | | | | | | | |
| 6 | A Menéndez | 6 | 6 | | | | | | | | | | | WC | E Korolev | 3 | 6 | 2 |
| 4 | S Bolelli | 7$^9$ | 7 | | | | | | | | | | | 4 | S Bolelli | 6 | 3 | 6 |
| | J Minář | 6$^7$ | 5 | | 4 | S Bolelli | 6 | 6 | | | | | | | | | | |
| | Julien Obry | 2 | 6 | 6 | | Julien Obry | 3 | 2 | | | | | | | | | | |
| | J Lemke | 6 | 2 | 3 | | | | | 4 | S Bolelli | 6 | 6 | | | | | | |
| Q | D Propoggia | 6 | 6 | | | | | | Q | D Propoggia | 4 | 4 | | | | | | |
| WC | Marco Cecchinato | 4 | 3 | | Q | D Propoggia | 6 | 7$^7$ | | | | | | | | | | |
| Q | M Draganja | 7$^8$ | 7$^8$ | | Q | M Draganja | 4 | 6$^3$ | | | | | | | | | | |
| 8 | G Naso | 6$^6$ | 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 |
| 7 | K de Schepper | 6 | 6 | | | | | | | | | | | | | | | |
| WC | Federico Torresi | 2 | 3 | | 7 | K de Schepper | 6 | 6 | | | | | | | | | | |
| | D Zivkovic | 5 | 6$^4$ | | Q | Chris Letcher | 3 | 2 | | | | | | | | | | |
| Q | Chris Letcher | 7 | 7$^7$ | | | | | | | 7 | K de Schepper | 4 | 6 | 6 | | | | |
| | N Mektić | 6 | 6 | | | | | | | 3 | F Serra | 6 | 3 | 4 | | | | |
| | L Vanni | 2 | 4 | | | N Mektić | 3 | 4 | | | | | | | | | | |
| | Claudio Grassi | 2 | 3 | | 3 | F Serra | 6 | 6 | | | | | | | | | | |
| 3 | F Serra | 6 | 6 | | | | | | | | | | | | 7 | K de Schepper | 4 | 5 |
| 5 | P Polansky | 4 | 6 | 6 | | | | | | | | | | | | F Martin | 6 | 7 |
| | B Klein | 6 | 3 | 3 | 5 | P Polansky | 6 | 2 | 6$^3$ | | | | | | | | | |
| | B Pašanski | 1 | 2 | | | A Olivetti | 4 | 6 | 7$^7$ | | | | | | | | | |
| | A Olivetti | 6 | 6 | | | | | | | | A Olivetti | 4 | 6$^1$ | | | | | |
| | G Melzer | 3 | 1 | | | | | | | | F Martin | 6 | 7$^7$ | | | | | |
| | S Galvani | 6 | 6 | | | S Galvani | 6 | 6$^4$ | 3 | | | | | | | | | |
| | F Martin | 6 | 6 | | | F Martin | 3 | 7$^7$ | 6 | | | | | | | | | |
| 2 | K Beck | 3 | 1 | | | | | | | | | | | | | | | |