Gauthier Onclin defeated Vitaliy Sachko 4-6 6-4 6-2 in the Ostrava CH round of 32 on clay. Gauthier Onclin extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-25 | US Open | Q256 | hard | Vitaliy Sachko | 5-7 5-7 |
| 2019-11-15 | M15 Meshref 3 | QF | hard | Gauthier Onclin | 6-0 7-6(2) |
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 clay field, opponent-adjusted over 52 weeks). About