Marek Semjan defeated Blazej Koniusz 6-7 7-6 6-4 in the Poland F1 round of 32 on clay. The upset overturned the form book — Blazej Koniusz came in leading the head-to-head 1–0. Marek Semjan claimed a first win over Blazej Koniusz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-17 | Poland F1 | R16 | clay | Blazej Koniusz | 6-2 6-4 |
Averages over each player's completed matches in the selected window (51 vs 4). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About