Vladan Tadic defeated Stefan Ivic 6-4 6-1 in the M25 Opatija 1 q64 on clay. The result followed the form book — Vladan Tadic came in leading the head-to-head 1–0. Vladan Tadic extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-11 | M15 Doboj 1 | Q64 | clay | Vladan Tadic | 6-3 3-6 10-8 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.