Florian Mayer defeated Jan Weinzierl 3-6 6-4 6-2 in the Germany F5 round of 16 on clay. The upset overturned the form book — Jan Weinzierl came in leading the head-to-head 2–0. Florian Mayer claimed a first win over Jan Weinzierl in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-06 | Germany F3 | QF | clay | Jan Weinzierl | 3-6 6-2 6-1 |
| 2001-07-16 | Germany F7 | R32 | clay | Jan Weinzierl | 6-4 6-1 |
Averages over each player's completed matches in the selected window (200 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About