Vjekoslav Skenderovic defeated Marcel Zimmermann 6-3 2-6 6-2 in the Croatia F1 round of 32 on hard. The upset overturned the form book — Marcel Zimmermann came in leading the head-to-head 1–0. Vjekoslav Skenderovic claimed a first win over Marcel Zimmermann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-26 | Slovenia F1 | QF | clay | Marcel Zimmermann | 6-4 6-0 |