Adrian Kowalski defeated Adam Mlazga 7-5 3-6 6-1 in the Poland F2 q32 on clay. The upset overturned the form book — Adam Mlazga came in leading the head-to-head 1–0. Adrian Kowalski claimed a first win over Adam Mlazga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-24 | Poland F3 | Q32 | clay | Adam Mlazga | 6-1 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.