Adrian Sikora defeated Jedrzej Zarski 7-6 6-4 in the Poland F7 round of 32 on clay. The upset overturned the form book — Jedrzej Zarski came in leading the head-to-head 1–0. Adrian Sikora 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 | R32 | clay | Jedrzej Zarski | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.