# 2012 Open BNP Paribas Banque de Bretagne – Singles

David Guez was the defending champion, but lost in the first round to first seeded Édouard Roger-Vasselin. Igor Sijsling won the final 6–3, 6–4 against Malek Jaziri.

## Seeds

* Édouard Roger-Vasselin (quarterfinals)
* Rik de Voest (first round)
* Malek Jaziri (final)
* Daniel Brands (quarterfinals)
* Björn Phau (second round)
* Arnau Brugués-Davi (first round)
* Florent Serra (quarterfinals)
* Pablo Carreño-Busta (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 | Final | Final | Final | Final |
| | Igor Sijsling | 6 | 6 | | | | |
| | Roberto Bautista-Agut | 2 | 2 | | | | |
| | Roberto Bautista-Agut | 2 | 2 | | Igor Sijsling | 6 | 6 |
| | | | | 3 | Malek Jaziri | 3 | 4 |
| 3 | Malek Jaziri | 7$^{12}$ | 6 | 3 | Malek Jaziri | 3 | 4 |
| | Evgeny Donskoy | 6$^{10}$ | 4 | | | | |

### 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 |
| 1 | É Roger-Vasselin | 6 | 6 | | | | | | | | | | | | | | |
| | D Guez | 1 | 2 | | 1 | É Roger-Vasselin | 6 | 6 | | | | | | | | | |
| Q | Adrien Bossel | 4 | 3 | | | M Teixeira | 4 | 2 | | | | | | | | | |
| | M Teixeira | 6 | 6 | | | | | | | 1 | É Roger-Vasselin | 6$^6$ | 3 | | | | |
| LL | Elie Rousset | 2 | 5 | | | | | | | | I Sijsling | 7$^8$ | 6 | | | | |
| | I Sijsling | 6 | 7 | | | I Sijsling | 7$^7$ | 6 | | | | | | | | | |
| | B Knittel | 1 | 4 | | 5 | B Phau | 6$^4$ | 3 | | | | | | | | | |
| 5 | B Phau | 6 | 6 | | | | | | | | | | | | I Sijsling | 6 | 6 |
| 4 | D Brands | 7$^7$ | 6 | | | | | | | | | | | | R Bautista-Agut | 2 | 2 |
| WC | J Dasnières de Veigy | 6$^4$ | 4 | | 4 | D Brands | 3 | 7$^7$ | 6 | | | | | | | | |
| Q | O Patience | 4 | 6$^1$ | | Q | L Rochette | 6 | 6$^2$ | 4 | | | | | | | | |
| Q | Laurent Rochette | 6 | 7$^7$ | | | | | | | 4 | D Brands | 5 | 6 | 5 | | | |
| | R Bautista-Agut | 2 | 6 | 6 | | | | | | | R Bautista-Agut | 7 | 4 | 7 | | | |
| | D Goffin | 6 | 3 | 4 | | R Bautista-Agut | 7 | 6 | | | | | | | | | |
| | J Sousa | 2 | 6 | 6 | | J Sousa | 5 | 2 | | | | | | | | | |
| 6 | A Brugués-Davi | 6 | 2 | 3 | | | | | | | | | | | | | |

### 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 | F Serra | 6 | 7$^9$ | | | | | | | | | | | | | | | |
| | K de Schepper | 4 | 6$^7$ | | 7 | F Serra | 7$^8$ | 6 | | | | | | | | | | |
| | I Minář | 7$^7$ | 6 | | | I Minář | 6$^6$ | 4 | | | | | | | | | | |
| Q | P-H Hugues | 6$^1$ | 3 | | | | | | | 7 | F Serra | 1 | 3 | | | | | |
| WC | R Jouan | 6$^3$ | 7$^7$ | 2 | | | | | | 3 | M Jaziri | 6 | 6 | | | | | |
| | A Gensse | 7$^7$ | 6$^3$ | 6 | | A Gensse | 6$^5$ | 1 | | | | | | | | | | |
| WC | G Rufin | 4 | 4 | | 3 | M Jaziri | 7$^7$ | 6 | | | | | | | | | | |
| 3 | M Jaziri | 6 | 6 | | | | | | | | | | | | 3 | M Jaziri | 7$^{12}$ | 6 |
| 8 | P Carreño-Busta | 1 | 4 | | | | | | | | | | | | | E Donskoy | 6$^{10}$ | 4 |
| | A Clément | 6 | 6 | | | A Clément | 6 | 3 | 6$^4$ | | | | | | | | | |
| WC | P-H Mathieu | 6 | 3 | 2 | | E Donskoy | 3 | 6 | 7$^7$ | | | | | | | | | |
| | E Donskoy | 3 | 6 | 6 | | | | | | | E Donskoy | 7$^7$ | 6$^4$ | 6 | | | | |
| | M Gicquel | 6 | 2 | 6 | | | | | | | M Gicquel | 6$^4$ | 7$^7$ | 3 | | | | |
| | D Meffert | 3 | 6 | 3 | | M Gicquel | 6 | 6 | | | | | | | | | | |
| | D Brown | 6 | 0 | 6 | | D Brown | 4 | 3 | | | | | | | | | | |
| 2 | R de Voest | 4 | 6 | 4 | | | | | | | | | | | | | | |