Marko Tkalec defeated Vladimir Platenik 6-3 6-2 in the Croatia 1 1 round of 16 on clay. Marko Tkalec extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-06 | Croatia F3 | R32 | clay | Vladimir Platenik | 6-2 6-3 |
| 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.