Gorazd Srbljak defeated Marko Nikolic 7-6 6-7 10-8 in the M15 Kursumlijska Banja 13 q32 on clay. The upset overturned the form book — Marko Nikolic came in leading the head-to-head 1–0. Gorazd Srbljak claimed a first win over Marko Nikolic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-20 | M15 Kursumlijska Banja 1 | Q128 | clay | Marko Nikolic | 2-6 6-4 10-6 |