M. Gloeckler advanced when Nikola Basic retired 1-0 in the M25 Maribor 2 round of 32. M. Gloeckler claimed a first win over Nikola Basic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-03-13 | M15 Rovinj 1 | Q32 | clay | Nikola Basic | 6-3 3-6 10-7 |