Oleksii Krutykh defeated Daniel Siniakov 7-6 6-2 in the M15 Prague 2 round of 16 on hard. The upset overturned the form book — Daniel Siniakov came in ranked #448, leading the head-to-head 1–0. Oleksii Krutykh claimed a first win over Daniel Siniakov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-07-01 | M25 Marburg | R32 | clay | Daniel Siniakov | 6-4 3-6 4-6 |
Averages over each player's completed matches in the selected window (181 vs 21). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About