Ivan Stelko defeated Luka Kukulic 7-5 7-6 in the Croatia F5 round of 16 on clay. The result followed the form book — Ivan Stelko came in leading the head-to-head 1–0. Ivan Stelko extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-04 | Croatia F6 | R32 | clay | Ivan Stelko | 6-4 6-1 |