| Singles | |
|---|---|
| 2017 Poznań Open | |
| Champion |
|
| Runner-up |
|
| Final score | 2–6, 7–6(12–10), 6–3 |
Radu Albot was the defending champion but chose not to defend his title.
Alexey Vatutin won the title after defeating Guido Andreozzi 2–6, 7–6(12–10), 6–3 in the final.