Lazar Vojinovic defeated Marko Andrejic 6-2 6-1 in the M25 Kursumlijska Banja 1 q16 on clay. The upset overturned the form book — Marko Andrejic came in leading the head-to-head 1–0, but Lazar Vojinovic had been the form player, winning 6 of their last 10 on clay. Lazar Vojinovic claimed a first win over Marko Andrejic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-25 | M15 Kursumlijska Banja 1 | Q16 | clay | Marko Andrejic | 6-2 2-0 |