Valentin Kopeikin defeated Mert Naci Turker 1-6 6-4 10-6 in the M15 Antalya 33 qualifying round of 32 on clay. The upset overturned the form book — Mert Naci Turker came in leading the head-to-head 1–0. Valentin Kopeikin claimed a first win over Mert Naci Turker in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-10-29 | M15 Kayseri 3 | R32 | hard | Mert Naci Turker | 7-5 7-6(6) |
Averages over each player's completed matches in the selected window (45 vs 139). ATP, WTA & Challenger.
Naci Turker M.: 20 days rest. Higher means fresher. About
wins 50% of points on serve vs Naci Turker M.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About