
Michael Mmoh defeated Karen Khachanov 6-2 6-4 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Karen Khachanov came in ranked #26, defending last year's semi-final. Michael Mmoh extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-05 | Hong Kong | R16 | hard | Michael Mmoh | 7-6(2) 7-6(4) |
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
Averages over each player's completed matches in the selected window (138 vs 183). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Mmoh M.: 12 days rest · 2 matches (14d) · Khachanov K.: 9 days rest · 3 matches (14d). Higher means fresher. About