Luka Miklavcic defeated Dimitrije Zubac 7-5 6-3 in the M15 Brcko 1 q32 on clay. The upset overturned the form book — Dimitrije Zubac came in leading the head-to-head 1–0, but Luka Miklavcic had been the form player, winning 4 of their last 7 on clay. Luka Miklavcic claimed a first win over Dimitrije Zubac in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-31 | M15 Novi Sad 2 | Q64 | clay | Dimitrije Zubac | 6-3 6-3 |