# 2017 Open BNP Paribas Banque de Bretagne – Singles

Andrey Rublev was the defending champion but lost in the semifinals to Peter Gojowczyk.
Adrian Mannarino won the title after defeating Gojowczyk 6–4, 6–4 in the final.

## Seeds

* Adrian Mannarino (champion)
* Jérémy Chardy (withdrew)
* Sergiy Stakhovsky (quarterfinals)
* Evgeny Donskoy (first round)
* Julien Benneteau (second round)
* Vincent Millot (first round)
* Andrey Rublev (semifinals)
* Peter Gojowczyk (final)

## 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 |
| 1 | Adrian Mannarino | 7 | 6 | | | | | |
| | Quentin Halys | 5 | 4 | | | | | |
| | Quentin Halys | 5 | 4 | | 1 | Adrian Mannarino | 6 | 6 |
| | | | | | 8 | Peter Gojowczyk | 4 | 4 |
| 8 | Peter Gojowczyk | 7$^7$ | 4 | 6 | 8 | Peter Gojowczyk | 4 | 4 |
| 7 | Andrey Rublev | 6$^5$ | 6 | 3 | | | | |

### Top half

| 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 |
| 1 | A Mannarino | 6 | 7 | | | | | | | | | | | | | |
| WC | E Furness | 3 | 5 | 1 | A Mannarino | 6 | 3 | 6 | | | | | | | | |
| | Y Reuter | 2 | 3 | WC | J Janowicz | 4 | 6 | 4 | | | | | | | | |
| WC | J Janowicz | 6 | 6 | | | | | | 1 | A Mannarino | 6 | 6 | | | | |
| Q | G Sakharov | 6 | 6 | | | | | | Q | G Sakharov | 4 | 4 | | | | |
| | U Ignatik | 3 | 3 | Q | G Sakharov | 3 | 6 | 7$^7$ | | | | | | | | |
| WC | G Blancaneaux | 2 | 4 | 5 | J Benneteau | 6 | 4 | 6$^4$ | | | | | | | | |
| 5 | J Benneteau | 6 | 6 | | | | | | | | | | 1 | A Mannarino | 7 | 6 |
| 4 | E Donskoy | 5 | 3 | | | | | | | | | | | Q Halys | 5 | 4 |
| | T Gabashvili | 7 | 6 | | T Gabashvili | 3 | 4 | | | | | | | | | |
| | Q Halys | 7$^8$ | 6 | | Q Halys | 6 | 6 | | | | | | | | | |
| | M Zekić | 6$^6$ | 1 | | | | | | | Q Halys | 7$^7$ | 7$^7$ | | | | |
| PR | J Melzer | 3 | 4 | | | | | | Q | A Karatsev | 6$^5$ | 6$^4$ | | | | |
| | S Napolitano | 6 | 6 | | S Napolitano | 3 | 5 | | | | | | | | | |
| Q | A Karatsev | 6 | 6 | Q | A Karatsev | 6 | 7 | | | | | | | | | |
| 6 | V Millot | 3 | 4 | | | | | | | | | | | | | |

### 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 | P Gojowczyk | 6 | 6 | | | | | | | | | | | | | | | |
| WC | M Hamou | 2 | 4 | | 8 | P Gojowczyk | 6 | 6$^2$ | 6 | | | | | | | | | |
| | S Diez | 6 | 6 | | | S Diez | 2 | 7$^7$ | 4 | | | | | | | | | |
| | J Samper-Montaña | 4 | 2 | | | | | | | 8 | P Gojowczyk | 7 | 7$^7$ | | | | | |
| | E López-Pérez | 6 | 7$^9$ | | | | | | | 3 | S Stakhovsky | 5 | 6$^4$ | | | | | |
| | M Tepavac | 4 | 6$^7$ | | | E López-Pérez | 6 | 5 | 3 | | | | | | | | | |
| Q | C Hemery | 6$^4$ | 6 | 2 | 3 | S Stakhovsky | 4 | 7 | 6 | | | | | | | | | |
| 3 | S Stakhovsky | 7$^7$ | 4 | 6 | | | | | | | | | | 8 | P Gojowczyk | 7$^7$ | 4 | 6 |
| 7 | A Rublev | 6 | 3 | 7$^9$ | | | | | | | | | | 7 | A Rublev | 6$^5$ | 6 | 3 |
| | S Tsitsipas | 2 | 6 | 6$^7$ | 7 | A Rublev | 6 | 6$^3$ | 6 | | | | | | | | | |
| | H Moriya | 5 | 2 | | Q | H Nys | 4 | 7$^7$ | 3 | | | | | | | | | |
| Q | H Nys | 7 | 6 | | | | | | | 7 | A Rublev | 6 | 6 | | | | | |
| | T Lamasine | 4 | 6 | 6 | | | | | | | T Lamasine | 4 | 4 | | | | | |
| | L Đere | 6 | 4 | 2 | | T Lamasine | 6 | 6 | | | | | | | | | | |
| | M Bourgue | 7$^7$ | 6 | | | M Bourgue | 2 | 1 | | | | | | | | | | |
| LL | G Jacq | 6$^3$ | 2 | | | | | | | | | | | | | | | |