

Marta Kostyuk defeated Diane Parry 6-1 6-4 in the Rouen round of 32 on clay. The result followed the form book — Marta Kostyuk came in ranked #11, leading the head-to-head 2–0. Marta Kostyuk extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-25 | US Open | R32 | hard | Marta Kostyuk | 3-6 6-4 6-2 |
| 2022-01-17 | Australian Open | R128 | hard | Marta Kostyuk | 6-1 7-6 |
Averages over each player's completed matches in the selected window (31 vs 35). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kostyuk M.: 1 day rest · 2 matches, 55 games (7d) · Parry D.: 2 days rest · 3 matches, 76 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 clay field, opponent-adjusted over 52 weeks). About