Ivan Cinkus defeated Herbert Wiltschnig 6-0 6-3 in the Croatia 1 4 round of 16 on clay. The upset overturned the form book — Herbert Wiltschnig came in leading the head-to-head 2–1. Ivan Cinkus narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-02-18 | Croatia F2 | R32 | hard | Ivan Cinkus | 7-6(4) 6-1 |
| 2001-03-12 | Croatia 1 2 | F | clay | Herbert Wiltschnig | 6-4 6-1 |
| 1999-03-06 | Croatia 1 Masters 1 | R32 | clay | Herbert Wiltschnig | 6-2 1-6 6-3 |