Kamil Capkovic defeated Adam Chadaj 6-4 6-1 in the Poland F4 round of 32 on clay. The upset overturned the form book — Adam Chadaj came in leading the head-to-head 2–0, but Kamil Capkovic had been the form player, winning 7 of their last 10 on clay. Kamil Capkovic claimed a first win over Adam Chadaj in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-09 | Czech Republic F1 | R32 | clay | Adam Chadaj | 2-1 |
| 2011-03-14 | Portugal F3 | SF | hard | Adam Chadaj | 7-6(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.