Daria Kasatkina defeated Garbine Muguruza 6-4 6-4 in the Sydney quarter-final on hard. The upset overturned the form book — Garbine Muguruza came in leading the head-to-head 3–2, but Daria Kasatkina had been the form player, winning 5 of their last 8 on hard. Daria Kasatkina narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-24 | Doha | R64 | hard | Garbine Muguruza | 7-5 5-7 6-3 |
| 2018-05-07 | Madrid | R16 | clay | Daria Kasatkina | 6-2 4-6 6-3 |
| 2018-02-19 | Dubai | SF | hard | Daria Kasatkina | 3-6 7-6 6-1 |
| 2017-01-02 | Brisbane | R16 | hard | Garbine Muguruza | 7-5 3-6 7-6 |
| 2015-04-27 | Marrakech | R32 | clay | Garbine Muguruza | 6-4 6-1 |
Averages over each player's completed matches in the selected window (200 vs 33). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kasatkina D.: 7 days rest · 1 match, 30 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 hard field, opponent-adjusted over 52 weeks). About