Peyton Stearns defeated Daria Kasatkina 6-1 7-6 in the US Open round of 64 on hard. The upset overturned the form book — Daria Kasatkina came in leading the head-to-head 5–1, defending last year's round of 16. Peyton Stearns narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-19 | Strasbourg | R16 | clay | Daria Kasatkina | 1-6 3-6 |
| 2024-12-30 | Brisbane | R32 | hard | Daria Kasatkina | 7-6(7) 4-6 7-5 |
| 2024-05-27 | Roland Garros | R64 | clay | Peyton Stearns | 7-5 6-2 |
| 2024-01-15 | Australian Open | R128 | hard | Daria Kasatkina | 6-2 3-6 6-2 |
| 2023-08-14 | Cincinnati | R64 | hard | Daria Kasatkina | 6-2 6-1 |
| 2023-05-29 | Roland Garros | R32 | clay | Daria Kasatkina | 6-0 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 (108 vs 120). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Stearns P.: 12 days rest · 1 match (14d) · Kasatkina D.: 8 days rest · 3 matches (14d). Higher means fresher. About