Marcel Zimmermann defeated Kornel Bardoczky 7-6 6-1 in the Croatia F10 round of 32 on clay. The upset overturned the form book — Kornel Bardoczky came in leading the head-to-head 1–0, but Marcel Zimmermann had been the form player, winning 4 of their last 5 on clay. Marcel Zimmermann claimed a first win over Kornel Bardoczky in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-17 | Germany F17 | QF | clay | Kornel Bardoczky | 6-3 6-4 |