Blazej Koniusz defeated Jedrzej Zarski 1-6 6-0 7-5 in the Poland F5 round of 32 on clay. The upset overturned the form book — Jedrzej Zarski came in leading the head-to-head 1–0, but Blazej Koniusz had been the form player, winning 2 of their last 6 on clay. Blazej Koniusz claimed a first win over Jedrzej Zarski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-28 | Poland F3 | R16 | clay | Jedrzej Zarski | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.