

Marta Kostyuk defeated Mirra Andreeva 7-6 6-3 in the Brisbane quarter-final on hard. The upset overturned the form book — Mirra Andreeva came in ranked #5. Marta Kostyuk extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-04 | Roland Garros | SF | clay | Mirra Andreeva | 1-6 3-6 |
| 2026-04-21 | Madrid | F | 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 (19 vs 29). 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.
Kostyuk M.: 3 days rest · 3 matches, 57 games (7d) · Andreeva M.: 11 days rest · 2 matches (14d). Higher means fresher. About