

Mayar Sherif defeated Marta Kostyuk 6-3 7-5 in the Roland Garros round of 128 on clay. The upset overturned the form book — Marta Kostyuk came in ranked #13, defending last year's round of 16, but Mayar Sherif had been the form player, winning 4 of their last 4 on clay. Mayar Sherif extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-04-22 | Madrid | R64 | clay | Mayar Sherif | 6-2 7-5 |
| 2022-08-29 | US Open | R128 | hard | Marta Kostyuk | 7-6(2) 6-4 |
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
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
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Sherif M.: 1 day rest · 4 matches, 81 games (7d) · Kostyuk M.: 3 days rest · 3 matches, 57 games (7d). Higher means fresher. About