Adrian Partl defeated Grzegorz Panfil 6-3 6-2 in the Bosnia & Herzegovina F1 round of 16 on clay. The upset overturned the form book — Grzegorz Panfil came in leading the head-to-head 1–0. Adrian Partl claimed a first win over Grzegorz Panfil in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-04 | Poland F3 | R32 | clay | Grzegorz Panfil | 4-6 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.