Gauthier Onclin defeated Vitaliy Sachko 6-0 7-6 in the M15 Meshref 3 quarter-final on hard. Gauthier Onclin claimed a first win over Vitaliy Sachko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-25 | US Open | Q256 | hard | Vitaliy Sachko | 5-7 5-7 |
Averages over each player's completed matches in the selected window (200 vs 198). 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About