

Marta Kostyuk defeated Amanda Anisimova 6-4 6-3 in the Brisbane round of 16 on hard. The upset overturned the form book — Amanda Anisimova came in ranked #10, but Marta Kostyuk had been the form player, winning 4 of their last 5 on hard. Marta Kostyuk extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-09 | Doha | QF | hard | Amanda Anisimova | 4-6 7-5 6-4 |
| 2023-01-16 | Australian Open | R128 | hard | Marta Kostyuk | 6-3 6-4 |
Averages over each player's completed matches in the selected window (31 vs 24). 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) · Anisimova A.: 1 day rest · 2 matches, 45 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