
Belinda Bencic defeated Marta Kostyuk 6-3 6-1 in the Miami round of 64 on hard. The upset overturned the form book — Marta Kostyuk came in ranked #11, defending last year's round of 128. Belinda Bencic extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-02-20 | Dubai | R32 | hard | Belinda Bencic | 6-7 7-6 6-4 |
| 2023-02-06 | Abu Dhabi | R16 | hard | Belinda Bencic | 6-4 7-5 |
Averages over each player's completed matches in the selected window (197 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Bencic B.: 5 days rest · 1 match, 9 games (7d) · Kostyuk M.: 2 days rest · 3 matches, 79 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