Maciej Dilaj defeated Dawid Olejniczak 6-3 6-3 in the Poland F1 semi-final on clay. The upset overturned the form book — Dawid Olejniczak came in leading the head-to-head 1–0. Maciej Dilaj claimed a first win over Dawid Olejniczak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-21 | Poland F2 | SF | clay | Dawid Olejniczak | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.