David Novak defeated Jan Weinzierl 7-5 6-1 in the Czech Rep F5 qualifying round on hard. The upset overturned the form book — Jan Weinzierl came in leading the head-to-head 1–0. David Novak claimed a first win over Jan Weinzierl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-21 | Germany F1 | R16 | clay | Jan Weinzierl | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.