# 2015 Open BNP Paribas Banque de Bretagne – Singles

Pierre-Hugues Herbert was the defending champion, but did not participate.
Benoît Paire won the title, defeating Grégoire Barrère in the final, 6–4, 3–6, 6–4.

## Seeds

* Farrukh Dustov (semifinals)
* Kenny de Schepper (second round)
* Andreas Beck (second round)
* Benoît Paire (champion)
* Illya Marchenko (quarterfinals)
* Jürgen Zopp (first round)
* Liam Broady (withdrew)
* Matteo Viola (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 | Final |
| 1 | Farrukh Dustov | 4 | 2 | | | | | | |
| 4 | Benoît Paire | 6 | 6 | | | | | | |
| 4 | Benoît Paire | 6 | 6 | | 4 | Benoît Paire | 6 | 3 | 6 |
| | | | | | WC | Grégoire Barrère | 4 | 6 | 4 |
| | David Guez | 3 | 6 | 1 | WC | Grégoire Barrère | 4 | 6 | 4 |
| WC | Grégoire Barrère | 6 | 1 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Dustov | 6 | 4 | 6 | | | | | | | | | | | | |
| | A Šetkić | 4 | 6 | 2 | 1 | F Dustov | 6 | 6 | | | | | | | | |
| WC | M Vaïsse | 7$^7$ | 6 | | WC | M Vaïsse | 4 | 4 | | | | | | | | |
| LL | A Artuñedo Martínavarro | 6$^4$ | 4 | | | | | | 1 | F Dustov | 6 | 6 | | | | |
| Q | Teri Groll | 6 | 4 | 2 | | | | | WC | M Teixeira | 4 | 4 | | | | |
| | A Arnaboldi | 1 | 6 | 6 | | A Arnaboldi | 2 | 2 | | | | | | | | |
| WC | M Teixeira | 6 | 6 | | WC | M Teixeira | 6 | 6 | | | | | | | | |
| 8 | M Viola | 2 | 4 | | | | | | | | | | 1 | F Dustov | 4 | 2 |
| 4 | B Paire | 6 | 6 | | | | | | | | | | 4 | B Paire | 6 | 6 |
| | M Fischer | 2 | 3 | | 4 | B Paire | 6 | 3 | | | | | | | | |
| | R Marcora | 6$^5$ | 6 | 6 | | R Marcora | 2 | 2$^r$ | | | | | | | | |
| Q | C Hemery | 7$^7$ | 4 | 4 | | | | | 4 | B Paire | 7$^7$ | 6 | | | | |
| | E Couacaud | 2 | 4 | | | | | | | M Authom | 6$^5$ | 2 | | | | |
| Q | D Brands | 6 | 6 | | Q | D Brands | 6$^5$ | 4 | | | | | | | | |
| | M Authom | 7$^7$ | 6 | | | M Authom | 7$^7$ | 6 | | | | | | | | |
| 6 | J Zopp | 6$^5$ | 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 | Semifinals |
| 5 | I Marchenko | 6 | 6 | | | | | | | | | | | | | | | | |
| | T Daniel | 3 | 3 | | 5 | I Marchenko | 3 | 6 | 6 | | | | | | | | | | |
| | L Lokoli | 1 | 2 | | LL | S Boltz | 6 | 4 | 0 | | | | | | | | | | |
| LL | Sébastien Boltz | 6 | 6 | | | | | | | 5 | I Marchenko | 7$^7$ | 6$^5$ | 2 | | | | | |
| | A Michon | 3 | 5 | | | | | | | | D Guez | 6$^4$ | 7$^7$ | 6 | | | | | |
| | D Guez | 6 | 7 | | | D Guez | 6 | 6$^5$ | 6 | | | | | | | | | | |
| | P Torebko | 3 | 3 | | 3 | A Beck | 3 | 7$^7$ | 2 | | | | | | | | | | |
| 3 | A Beck | 6 | 6 | | | | | | | | | | | | | D Guez | 3 | 6 | 1 |
| LL | Elie Rousset | 3 | 3 | | | | | | | | | | | | WC | G Barrère | 6 | 1 | 6 |
| SE | A Kapaś | 6 | 6 | | SE | A Kapaś | 6 | 6$^4$ | 4 | | | | | | | | | | |
| Q | E Corrie | 6 | 4 | | Q | E Corrie | 4 | 7$^7$ | 6 | | | | | | | | | | |
| | V Millot | 4 | 1$^r$ | | | | | | | Q | E Corrie | 2 | 3 | | | | | | |
| | A Karatsev | 3 | 3 | | | | | | | WC | G Barrère | 6 | 6 | | | | | | |
| WC | G Barrère | 6 | 6 | | WC | G Barrère | 7 | 6 | | | | | | | | | | | |
| | J Kovalík | 2 | 7 | 6$^2$ | 2/WC | K de Schepper | 5 | 2 | | | | | | | | | | | |
| 2/WC | K de Schepper | 6 | 5 | 7$^7$ | | | | | | | | | | | | | | | |