Philipp Petzschner defeated Ralph Grambow 6-2 6-4 in the Germany F5 round of 16 on carpet. The upset overturned the form book — Ralph Grambow came in leading the head-to-head 1–0. Philipp Petzschner claimed a first win over Ralph Grambow in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-01-22 | Germany F3 | QF | carpet | Ralph Grambow | 6-3 3-6 3-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.