Dominik Meffert defeated Jakub Hasek 7-5 6-1 in the Germany F12 qualifying round on clay. The upset overturned the form book — Jakub Hasek came in leading the head-to-head 1–0. Dominik Meffert claimed a first win over Jakub Hasek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-30 | Germany F14 | QF | clay | Jakub Hasek | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.