Martin Vacek defeated Marko Tkalec 6-0 6-2 in the Germany F4 round of 32 on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 1–0. Martin Vacek claimed a first win over Marko Tkalec in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-28 | Munich | Q32 | clay | Marko Tkalec | 6-1 6-4 |