Vjekoslav Skenderovic defeated Ivan Cinkus 7-5 6-3 in the Croatia F5 qualifying round on clay. The upset overturned the form book — Ivan Cinkus came in leading the head-to-head 1–0. Vjekoslav Skenderovic claimed a first win over Ivan Cinkus in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-10 | Croatia 1 4 | QF | clay | Ivan Cinkus | 6-4 6-4 |