Pavel Filin defeated Adam Chadaj 7-6 7-6 in the Poland F11 qualifying round on clay. The upset overturned the form book — Adam Chadaj came in leading the head-to-head 1–0, but Pavel Filin had been the form player, winning 2 of their last 5 on clay. Pavel Filin claimed a first win over Adam Chadaj in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-23 | Turkey F16 | R32 | hard | Adam Chadaj | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.