Maciej Dilaj defeated Jakub Hasek 4-6 6-2 6-1 in the Poland F4 semi-final on clay. The upset overturned the form book — Jakub Hasek came in leading the head-to-head 1–0. Maciej Dilaj claimed a first win over Jakub Hasek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-27 | Poland F2 | R32 | hard | Jakub Hasek | 6-4 6-3 |