Sloane Stephens defeated Daria Kasatkina 4-6 6-3 6-3 in the Australian Open round of 64 on hard. The upset overturned the form book — Daria Kasatkina came in ranked #61, defending last year's round of 128. Sloane Stephens extended the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-03-11 | Indian Wells | R32 | hard | Daria Kasatkina | 2-6 6-4 6-4 |
| 2024-03-06 | Indian Wells | R32 | hard | Daria Kasatkina | 2-6 6-4 6-4 |
| 2024-01-15 | Australian Open | R64 | hard | Sloane Stephens | 4-6 6-3 6-3 |
| 2021-05-17 | Parma | R16 | clay | Sloane Stephens | 1-6 6-4 7-5 |
| 2018-05-28 | Roland Garros | QF | clay | Sloane Stephens | 6-3 6-1 |
| 2018-03-05 | Indian Wells | R32 | hard | Daria Kasatkina | 6-4 6-3 |
| 2016-04-04 | Charleston | QF | clay | Sloane Stephens | 6-1 5-7 7-5 |
Averages over each player's completed matches in the selected window (59 vs 121). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kasatkina D.: 1 day rest · 1 match, 29 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