| Champ: | Peter Gojowczyk |
| Runner: |  Benoît Paire |
| Score: | 7–5, 6–2 |
| Draw: | 28 (4 / 3) |
| Seeds: | 8 |
| Type: | singles doubles |
See main article: article and 2017 Moselle Open.
Lucas Pouille was the defending champion, but lost in the second round to Marius Copil.
Peter Gojowczyk won his first and only ATP World Tour title, defeating Benoît Paire in the final, 7–5, 6–2.
The top four seeds receive a bye into the second round.