Karolina Muchova defeated Aryna Sabalenka 6-7 6-3 6-2 in the Cincinnati semi-final on hard. The upset overturned the form book — Aryna Sabalenka came in ranked #1, defending last year's semi-final. Karolina Muchova extended the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-04 | Brisbane | SF | hard | Aryna Sabalenka | 6-3 6-4 |
| 2024-09-25 | Beijing | QF | hard | Karolina Muchova | 7-6 2-6 6-4 |
| 2023-08-14 | Cincinnati | SF | hard | Karolina Muchova | 6-7 6-3 6-2 |
| 2023-06-08 | Roland Garros | SF | clay | Karolina Muchova | 7-6(5) 6-7(5) 7-5 |
| 2023-05-29 | Roland Garros | SF | clay | Karolina Muchova | 7-6 6-7 7-5 |
| 2019-10-26 | Zhuhai | SF | hard | Aryna Sabalenka | 7-5 7-6(4) |
| 2019-10-22 | Zhuhai | SF | hard | Aryna Sabalenka | 7-5 7-6 |
Averages over each player's completed matches in the selected window (143 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Muchova K.: 15 days rest · Sabalenka A.: 21 days rest. 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 hard field, opponent-adjusted over 52 weeks). About