Marcel Zimmermann defeated Herbert Wiltschnig 6-3 6-2 in the Croatia F11 round of 32 on clay. The result followed the form book — Marcel Zimmermann came in leading the head-to-head 1–0. Marcel Zimmermann extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-23 | Austria F2 | R32 | carpet | Marcel Zimmermann | 6-1 7-5 |