
Stan Wawrinka defeated Karen Khachanov 7-6 6-4 in the Doha round of 32 on hard. The upset overturned the form book — Karen Khachanov came in ranked #22, leading the head-to-head 2–1, defending last year's round of 16. Stan Wawrinka narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | Rotterdam | R32 | hard | Karen Khachanov | 6-4 7-5 |
| 2019-08-05 | Canada Masters | R32 | hard | Karen Khachanov | 6-4 6-7(3) 6-2 |
| 2018-09-17 | St. Petersburg | R16 | carpet | Stan Wawrinka | 7-6(10) 7-6(1) |
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 (198 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Wawrinka S.: 13 days rest · 1 match (14d) · Khachanov K.: 9 days rest · 3 matches (14d). Higher means fresher. About