Herbert Wiltschnig defeated Ivan Cinkus 6-2 1-6 6-3 in the Croatia 1 Masters 1 round of 32 on clay. The upset overturned the form book — Ivan Cinkus came in leading the head-to-head 2–1. Herbert Wiltschnig narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-10 | Croatia 1 4 | R16 | clay | Ivan Cinkus | 6-0 6-3 |
| 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 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.