| Singles | |
|---|---|
| 2015 Kazan Kremlin Cup | |
| Champion |
|
| Runner-up |
|
| Final score | 6–4, 4–6, 6–3 |
Marsel İlhan was the defending champion, but he lost in quarterfinals to Konstantin Kravchuk.
Aslan Karatsev won the title, defeating Konstantin Kravchuk in the final, 6–4, 4–6, 6–3.