

Paula Badosa defeated Marta Kostyuk 6-4 4-6 6-3 in the Australian Open round of 32 on hard. The upset overturned the form book — Marta Kostyuk came in ranked #13, defending last year's quarter-final. Paula Badosa extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-03 | Wimbledon | R64 | grass | Marta Kostyuk | 6-2 1-0 RET |
| 2023-05-08 | Rome | R32 | clay | Paula Badosa | 6-4 6-2 |
| 2022-01-17 | Australian Open | R32 | hard | Paula Badosa | 6-2 5-7 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 hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (47 vs 62). 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.
Badosa P.: 1 day rest · 4 matches, 74 games (7d) · Kostyuk M.: 2 days rest · 4 matches, 82 games (7d). Higher means fresher. About