Martin Vacek defeated Andre Wiesler 6-7 7-6 6-4 in the Germany F13 round of 16 on clay. The upset overturned the form book — Andre Wiesler came in leading the head-to-head 1–0. Martin Vacek claimed a first win over Andre Wiesler in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Germany F20 | R32 | hard | Andre Wiesler | 6-4 6-4 |