Maciej Dilaj defeated Guillem Burniol 4-6 7-5 6-3 in the Poland F4 qualifying round on clay. The upset overturned the form book — Guillem Burniol came in leading the head-to-head 1–0. Maciej Dilaj claimed a first win over Guillem Burniol in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-28 | Poland F11 | R16 | clay | Guillem Burniol | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.