Vilim Visak defeated Ivan Cinkus 4-6 6-0 7-6 in the Croatia F4 round of 16 on clay. The upset overturned the form book — Ivan Cinkus came in leading the head-to-head 3–0. Vilim Visak claimed a first win over Ivan Cinkus in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-13 | Croatia 1 2 | R16 | clay | Ivan Cinkus | 6-4 6-4 |
| 2005-08-22 | Croatia F5 | QF | clay | Ivan Cinkus | 6-3 6-4 |
| 2003-10-13 | Croatia F9 | R16 | clay | Ivan Cinkus | 6-1 6-3 |