

Marta Kostyuk advanced to the quarterfinals of the Cincinnati tournament with a victory over Mirra Andreeva in the Round of 16. Kostyuk won the match 4-6, 6-0, 6-2. Kostyuk hit 7 aces to Andreeva's 1 and converted 83% of her break points, compared to Andreeva's 33%.
“In the first I was in command and she had unforced errors here and there, but in the second after a couple of games I started getting nervous.”
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| 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 |
| 2026-01-04 | Brisbane | QF | hard | Marta Kostyuk | 7-6 6-3 |
Averages over each player's completed matches in the selected window (32 vs 46). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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.: 1 day rest · 2 matches, 55 games (7d) · Andreeva M.: 1 day rest · 2 matches, 33 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 hard field, opponent-adjusted over 52 weeks). About