Marko Tkalec defeated Josip Dumanic 2-6 6-3 6-2 in the Croatia F1 round of 32 on clay. The upset overturned the form book — Josip Dumanic came in leading the head-to-head 1–0, but Marko Tkalec had been the form player, winning 5 of their last 5 on clay. Marko Tkalec claimed a first win over Josip Dumanic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-07-13 | Slovenia Masters 1 | R32 | clay | Josip Dumanic | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.