Ivan Cinkus defeated Ivan Cerovic 6-4 6-0 in the Croatia 1 4 round of 32 on clay. The result followed the form book — Ivan Cinkus came in leading the head-to-head 2–0. Ivan Cinkus extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-18 | Croatia F4 | R32 | clay | Ivan Cinkus | 6-4 5-7 6-3 |
| 2003-03-10 | Croatia 1 3 | R32 | clay | Ivan Cinkus | 6-1 6-3 |