Jonas Pelle Hartenstein defeated Alp Horoz 6-2 4-6 10-6 in the M15 Heraklion 3 q16 on hard. The upset overturned the form book — Alp Horoz came in leading the head-to-head 1–0, but Jonas Pelle Hartenstein had been the form player, winning 2 of their last 5 on hard. Jonas Pelle Hartenstein claimed a first win over Alp Horoz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-10-14 | M15 Kayseri 1 | Q32 | hard | Alp Horoz | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.