# 2017 Open de Rennes – Singles

Malek Jaziri was the defending champion but chose not to defend his title.
Uladzimir Ignatik won the title after defeating Andrey Rublev 6–7$^{(6–8)}$, 6–3, 7–6$^{(7–5)}$ in the final.

## Seeds

* Jérémy Chardy (first round)
* Paul-Henri Mathieu (quarterfinals)
* Jozef Kovalík (second round)
* Sergiy Stakhovsky (second round)
* Guido Andreozzi (second round)
* Lukáš Rosol (second round)
* Evgeny Donskoy (first round, retired)
* Tobias Kamke (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 | Final | Final | Final | Final | Final |
| | Andrey Rublev | 7$^7$ | 7 | | | | | |
| PR | Blaž Kavčič | 6$^5$ | 5 | | | | | |
| PR | Blaž Kavčič | 6$^5$ | 5 | | Andrey Rublev | 7$^8$ | 3 | 6$^5$ |
| | | | | LL | Uladzimir Ignatik | 6$^6$ | 6 | 7$^7$ |
| | Mathias Bourgue | 4 | 4 | LL | Uladzimir Ignatik | 6$^6$ | 6 | 7$^7$ |
| LL | Uladzimir Ignatik | 6 | 6 | | | | | |

### 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 | Semifinals |
| 1 | J Chardy | 4 | 6$^{12}$ | | | | | | | | | | | | | | | |
| | A Rublev | 6 | 7$^{14}$ | | | A Rublev | 6 | 7$^9$ | | | | | | | | | | |
| | G Žemlja | 6 | 7$^8$ | | | G Žemlja | 4 | 6$^7$ | | | | | | | | | | |
| WC | E Furness | 4 | 6$^6$ | | | | | | | | A Rublev | 6 | 3 | 6 | | | | |
| | D Brands | 5 | 4 | | | | | | | | D-h Lee | 4 | 6 | 4 | | | | |
| | D-h Lee | 7 | 6 | | | D-h Lee | 6 | 4 | 6 | | | | | | | | | |
| Q | E Corrie | 6 | 2 | 3 | 6 | L Rosol | 3 | 6 | 2 | | | | | | | | | |
| 6 | L Rosol | 4 | 6 | 6 | | | | | | | | | | | | A Rublev | 7$^7$ | 7 |
| 4 | S Stakhovsky | 6 | 5 | 6 | | | | | | | | | | | PR | B Kavčič | 6$^5$ | 5 |
| Q | R Boutillier | 3 | 7 | 2 | 4 | S Stakhovsky | 4 | 7$^7$ | 6$^4$ | | | | | | | | | |
| PR | B Kavčič | 4 | 6 | 6 | PR | B Kavčič | 6 | 6$^2$ | 7$^7$ | | | | | | | | | |
| Q | J Zopp | 6 | 1 | 4 | | | | | | PR | B Kavčič | 7$^7$ | 3 | 7 | | | | |
| WC | G Blancaneaux | 5 | 3 | | | | | | | | V Millot | 6$^5$ | 6 | 5 | | | | |
| | V Millot | 7 | 6 | | | V Millot | 7$^7$ | 4 | 6 | | | | | | | | | |
| | S Napolitano | 6 | 3 | 4 | 5 | G Andreozzi | 6$^4$ | 6 | 2 | | | | | | | | | |
| 5 | G Andreozzi | 2 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | E Donskoy | 1$^r$ | | | | | | | | | | | | | | | |
| | K de Schepper | 4 | | | | K de Schepper | 4 | 3 | | | | | | | | | |
| WC | T Lamasine | 6$^5$ | 7$^{10}$ | 0 | | T Gabashvili | 6 | 6 | | | | | | | | | |
| | T Gabashvili | 7$^7$ | 6$^8$ | 6 | | | | | | | T Gabashvili | 1 | 6$^5$ | | | | |
| | M Bourgue | 6 | 6$^4$ | 7 | | | | | | | M Bourgue | 6 | 7$^7$ | | | | |
| | R Bemelmans | 4 | 7$^7$ | 5 | | M Bourgue | 7$^7$ | 6 | | | | | | | | | |
| WC | M Janvier | 3 | 5 | | 3 | J Kovalík | 6$^5$ | 4 | | | | | | | | | |
| 3 | J Kovalík | 6 | 7 | | | | | | | | | | | | M Bourgue | 4 | 4 |
| 8 | T Kamke | 7$^7$ | 4 | 6 | | | | | | | | | | LL | U Ignatik | 6 | 6 |
| | M Fucsovics | 6$^3$ | 6 | 4 | 8 | T Kamke | 4 | 6$^5$ | | | | | | | | | |
| LL | U Ignatik | 6 | 7$^7$ | | LL | U Ignatik | 6 | 7$^7$ | | | | | | | | | |
| | S Diez | 2 | 6$^5$ | | | | | | | LL | U Ignatik | 6 | 6 | | | | |
| | A De Greef | 5 | 6 | 6 | | | | | | 2 | P-H Mathieu | 4 | 4 | | | | |
| | N Gombos | 7 | 3 | 3 | | A De Greef | 7$^7$ | 4 | 5 | | | | | | | | |
| Q | S Tsitsipas | 3 | 6 | 3 | 2 | P-H Mathieu | 6$^1$ | 6 | 7 | | | | | | | | |
| 2 | P-H Mathieu | 6 | 3 | 6 | | | | | | | | | | | | | |