Marsel Znuderl defeated Luka Vuglar 7-6 7-5 in the M15 Porec 1 q64 on clay. The upset overturned the form book — Luka Vuglar came in leading the head-to-head 1–0. Marsel Znuderl claimed a first win over Luka Vuglar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-03-11 | M15 Rovinj 1 | Q64 | clay | Luka Vuglar | 6-3 4-3 |