Luca Giacomini defeated J. Kupcic 2-6 6-2 6-3 in the M25 Osijek 1 round of 32 on clay. The upset overturned the form book — J. Kupcic came in leading the head-to-head 1–0, but Luca Giacomini had been the form player, winning 4 of their last 7 on clay. Luca Giacomini claimed a first win over J. Kupcic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-18 | M15 Slovenska Bistrica 1 | R16 | clay | J. Kupcic | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.