Vladimir Platenik defeated Marko Tkalec 6-2 6-3 in the Croatia F3 round of 32 on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 2–0. Vladimir Platenik claimed a first win over Marko Tkalec in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-18 | Croatia 1 1 | R16 | clay | Marko Tkalec | 6-3 6-2 |
| 1998-06-22 | Croatia F1 | R16 | clay | Marko Tkalec | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.