Marta Kostyuk defeated Daria Kasatkina 6-1 6-2 in the US Open round of 128 on hard. Marta Kostyuk narrowed the head-to-head to 4–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-27 | Montreal | R32 | hard | Marta Kostyuk | 3-6 6-3 7-6(4) |
| 2025-05-06 | Rome | R64 | clay | Marta Kostyuk | 6-4 6-2 |
| 2024-06-17 | Berlin | R32 | grass | Daria Kasatkina | 4-6 7-6(6) 6-3 |
| 2024-01-01 | Brisbane | R32 | hard | Daria Kasatkina | 6-3 6-4 |
| 2023-09-25 | Tokyo | R32 | hard | Daria Kasatkina | 3-6 6-4 6-3 |
| 2021-06-14 | Birmingham | R16 | grass | Daria Kasatkina | 6-2 7-5 |
| 2021-04-19 | Istanbul | R16 | clay | Marta Kostyuk | 6-3 7-5 |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kostyuk M.: 2 days rest · 4 matches, 82 games (7d) · Kasatkina D.: 8 days rest · 3 matches (14d). Higher means fresher. About