Marco Mokrzycki defeated Piotr Gadomski 6-0 4-6 6-3 in the Poland F6 round of 32 on clay. The upset overturned the form book — Piotr Gadomski came in leading the head-to-head 1–0, but Marco Mokrzycki had been the form player, winning 3 of their last 5 on clay. Marco Mokrzycki claimed a first win over Piotr Gadomski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-12 | Poland F3 | R32 | clay | Piotr Gadomski | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.