Thomas Holzmann defeated Vilim Visak 7-6 6-4 in the Croatia F4 qualifying round on clay. The upset overturned the form book — Vilim Visak came in leading the head-to-head 1–0. Thomas Holzmann claimed a first win over Vilim Visak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-31 | Austria F8 | R32 | clay | Vilim Visak | 6-2 6-4 |