Tobias Kamke defeated Matthias Wellermann 6-4 2-6 6-2 in the Germany F12 round of 32 on clay. The upset overturned the form book — Matthias Wellermann came in leading the head-to-head 1–0. Tobias Kamke claimed a first win over Matthias Wellermann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-05 | Germany F10 | R16 | clay | Matthias Wellermann | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.