Marta Kostyuk defeated Mccartney Kessler 6-2 6-3 in the US Open round of 128 on hard. The result followed the form book — Marta Kostyuk came in ranked #13, leading the head-to-head 1–0, defending last year's round of 128. Marta Kostyuk extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-27 | Montreal | R16 | hard | Marta Kostyuk | 5-7 6-3 6-3 |
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 (117 vs 127). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kostyuk M.: 3 days rest · 3 matches, 57 games (7d) · Kessler M.: 11 days rest · 2 matches (14d). Higher means fresher. About