Pawel Juszczak defeated Mirza Basic 6-4 7-6 in the M15 Prijedor 1 quarter-final on clay. The upset overturned the form book — Mirza Basic came in leading the head-to-head 1–0, but Pawel Juszczak had been the form player, winning 4 of their last 8 on clay. Pawel Juszczak claimed a first win over Mirza Basic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-19 | M15 Krsko 1 | QF | clay | Mirza Basic | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.