Cristina Bucsa defeated Elise Mertens 3-6 7-5 6-3 in the US Open round of 32 on hard. The upset overturned the form book — Elise Mertens came in ranked #22, leading the head-to-head 3–1, defending last year's round of 16. Cristina Bucsa narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-03-04 | Indian Wells | R64 | hard | Elise Mertens | 6-2 6-1 |
| 2025-10-13 | Osaka | R32 | hard | Elise Mertens | 7-6 6-3 |
| 2025-02-09 | Doha | R32 | hard | Elise Mertens | 6-2 6-3 |
| 2024-09-25 | Beijing | R32 | hard | Cristina Bucsa | 4-6 6-2 6-2 |
Averages over each player's completed matches in the selected window (92 vs 89). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Bucsa C.: 5 days rest · 2 matches, 43 games (7d) · Mertens E.: 5 days rest · 1 match, 24 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