
Ethan Quinn defeated Karen Khachanov 1-6 6-4 6-4 in the Halle round of 32 on grass. The upset overturned the form book — Karen Khachanov came in ranked #39, leading the head-to-head 1–0, defending last year's semi-final. Ethan Quinn claimed a first win over Karen Khachanov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-27 | Paris Masters | R64 | hard | Karen Khachanov | 6-1 6-1 |
Averages over each player's completed matches in the selected window (26 vs 35). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Khachanov K.: 4 days rest · 1 match, 34 games (7d). Higher means fresher. About
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 grass field, opponent-adjusted over 52 weeks). About