Tobias Clemens defeated Philipp Marx 5-7 7-5 6-3 in the Germany F7 round of 32 on clay. The upset overturned the form book — Philipp Marx came in leading the head-to-head 1–0. Tobias Clemens claimed a first win over Philipp Marx in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | France F14 | R32 | hard | Philipp Marx | 6-3 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.