# 2017 Open Harmonie mutuelle – Singles

Alexandre Sidorenko was the defending champion but chose not to defend his title.
Egor Gerasimov won the title after defeating Tobias Kamke 7–6$^{(7–3)}$, 7–6$^{(7–5)}$ in the final.

## Seeds

* Gerald Melzer (first round)
* Sergiy Stakhovsky (quarterfinals)
* Norbert Gombos (first round)
* Lukáš Lacko (quarterfinals)
* Quentin Halys (first round)
* Kenny de Schepper (second round)
* Rubén Ramírez Hidalgo (second round)
* Tobias Kamke (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 |
| Q | Egor Gerasimov | 4 | 6 | 6 | | | | |
| WC | Corentin Moutet | 6 | 4 | 3 | | | | |
| WC | Corentin Moutet | 6 | 4 | 3 | Q | Egor Gerasimov | 7$^7$ | 7$^7$ |
| | | | | | 8 | Tobias Kamke | 6$^3$ | 6$^5$ |
| | Gleb Sakharov | 6$^4$ | 6 | 0 | 8 | Tobias Kamke | 6$^3$ | 6$^5$ |
| 8 | Tobias Kamke | 7$^7$ | 4 | 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 | Semifinals |
| 1 | G Melzer | 4 | 5 | | | | | | | | | | | | | | | | |
| Q | E Gerasimov | 6 | 7 | | Q | E Gerasimov | 6$^3$ | 6 | 6 | | | | | | | | | | |
| PR | S Bolelli | 6 | 6 | | PR | S Bolelli | 7$^7$ | 4 | 3 | | | | | | | | | | |
| | D Brands | 4 | 3 | | | | | | | Q | E Gerasimov | 7 | 7$^8$ | | | | | | |
| | M Chiudinelli | 6 | 3 | 7$^7$ | | | | | | | M Chiudinelli | 5 | 6$^6$ | | | | | | |
| Q | H Nys | 1 | 6 | 6$^5$ | | M Chiudinelli | 6 | 6 | | | | | | | | | | | |
| Alt | L Lokoli | 1 | 6 | 3 | 7 | R Ramírez Hidalgo | 0 | 1 | | | | | | | | | | | |
| 7 | R Ramírez Hidalgo | 6 | 4 | 6 | | | | | | | | | | | Q | E Gerasimov | 4 | 6 | 6 |
| 3 | N Gombos | 6$^1$ | 3 | | | | | | | | | | | | WC | C Moutet | 6 | 4 | 3 |
| WC | C Moutet | 7$^7$ | 6 | | WC | C Moutet | 6 | 6 | | | | | | | | | | | |
| Q | D Guez | 3 | 6 | 4 | WC | R Boutillier | 4 | 4 | | | | | | | | | | | |
| WC | R Boutillier | 6 | 3 | 6 | | | | | | WC | C Moutet | 2 | 7$^9$ | 7$^7$ | | | | | |
| | Jeremy Jahn | 6 | 6 | | | | | | | | J McGee | 6 | 6$^7$ | 6$^5$ | | | | | |
| | A Kudryavtsev | 3 | 4 | | | J Jahn | 6$^2$ | 7$^7$ | 3 | | | | | | | | | | |
| | J McGee | 6 | 6 | | | J McGee | 7$^7$ | 6$^3$ | 6 | | | | | | | | | | |
| 5 | Q Halys | 4 | 4 | | | | | | | | | | | | | | | | |

### Bottom 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 | Semifinals |
| 6 | K de Schepper | 6 | 6 | | | | | | | | | | | | | | |
| WC | E Furness | 2 | 2 | | 6 | K de Schepper | 4 | 6$^4$ | | | | | | | | | |
| | Marc Sieber | 2 | 3 | | | G Sakharov | 6 | 7$^7$ | | | | | | | | | |
| | G Sakharov | 6 | 6 | | | | | | | G Sakharov | 6 | 7$^7$ | | | | | |
| | M Janvier | 6 | 4 | 6 | | | | | 4 | L Lacko | 2 | 6$^3$ | | | | | |
| | A Šetkić | 3 | 6 | 4 | | M Janvier | 0 | 5 | | | | | | | | | |
| | F Škugor | 2 | 3 | | 4 | L Lacko | 6 | 7 | | | | | | | | | |
| 4 | L Lacko | 6 | 6 | | | | | | | | | | | G Sakharov | 6$^4$ | 6 | 0 |
| 8 | T Kamke | 6 | 6 | | | | | | | | | | 8 | T Kamke | 7$^7$ | 4 | 6 |
| | Petr Michnev | 1 | 0 | | 8 | T Kamke | 6 | 7$^7$ | | | | | | | | | |
| | E Corrie | 6$^4$ | 1 | | Q | O Otte | 2 | 6$^5$ | | | | | | | | | |
| Q | O Otte | 7$^7$ | 6 | | | | | | 8 | T Kamke | 7 | 6 | | | | | |
| | M Authom | 4 | 5 | | | | | | 2 | S Stakhovsky | 5 | 3 | | | | | |
| | Y Reuter | 6 | 7 | | | Y Reuter | 1 | 1 | | | | | | | | | |
| WC | E Couacaud | 4 | 4 | | 2 | S Stakhovsky | 6 | 6 | | | | | | | | | |
| 2 | S Stakhovsky | 6 | 6 | | | | | | | | | | | | | | |