Adam Mlazga defeated Igor Zubov 7-6 6-4 in the Poland F4 qualifying round of 32 on clay. The upset overturned the form book — Igor Zubov came in leading the head-to-head 1–0, but Adam Mlazga had been the form player, winning 4 of their last 9 on clay. Adam Mlazga claimed a first win over Igor Zubov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | Poland F2 | Q16 | clay | Igor Zubov | 6-2 6-1 |