Pawel Cias defeated Adam Chadaj 7-6 6-2 in the Poland F2 round of 16 on clay. The upset overturned the form book — Adam Chadaj came in leading the head-to-head 1–0, but Pawel Cias had been the form player, winning 3 of their last 8 on clay. Pawel Cias claimed a first win over Adam Chadaj in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-13 | Poland F4 | R32 | clay | Adam Chadaj | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.