Ivan Cinkus defeated Kornel Bardoczky 3-6 6-2 6-0 in the Slovenia F3 qualifying round on clay. The upset overturned the form book — Kornel Bardoczky 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 |
|---|---|---|---|---|---|
| 2004-03-08 | Croatia 1 4 | R16 | clay | Kornel Bardoczky | 6-0 3-1 |
| 2002-03-04 | Croatia 1 1 | R32 | clay | Ivan Cinkus | 6-3 6-3 |
| 2000-04-17 | Croatia 2 Satellite 4 | QF | clay | Kornel Bardoczky | 6-2 6-1 |