Igor Zubov defeated Adam Mlazga 6-2 6-1 in the Poland F2 q16 on clay. The upset overturned the form book — Adam Mlazga came in leading the head-to-head 1–0. Igor Zubov claimed a first win over Adam Mlazga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-19 | Poland F4 | Q32 | clay | Adam Mlazga | 7-6(4) 6-4 |