Barbora Krejcikova defeated Marta Kostyuk 7-5 6-3 in the Tallinn round of 16 on hard. The upset overturned the form book — Marta Kostyuk came in ranked #11, leading the head-to-head 2–0. Barbora Krejcikova claimed a first win over Marta Kostyuk in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-14 | BJK Cup QLS R1: CZE vs UKR | RR | clay | Marta Kostyuk | 3-6 6-1 6-4 |
| 2022-06-20 | Eastbourne | R32 | grass | Marta Kostyuk | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (183 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Krejcikova B.: 9 days rest · 1 match (14d) · Kostyuk M.: 3 days rest · 3 matches, 64 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