| Singles | |
|---|---|
| 2017 Open Harmonie mutuelle | |
| Champion |
|
| Runner-up |
|
| Final score | 7–6(7–3), 7–6(7–5) |
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.