Sorana Cirstea defeated Katerina Siniakova 7-5 6-2 in the US Open round of 128 on hard. The result followed the form book — Sorana Cirstea came in ranked #18, leading the head-to-head 2–1, defending last year's round of 64. Sorana Cirstea extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-25 | Ningbo | R16 | hard | Katerina Siniakova | 6-3 7-5 |
| 2018-05-07 | Madrid | R64 | clay | Sorana Cirstea | 6-4 2-6 6-4 |
| 2017-06-26 | Eastbourne | R64 | grass | Sorana Cirstea | 6-3 6-2 |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Cirstea S.: 8 days rest · 3 matches (14d) · Siniakova K.: 11 days rest · 2 matches (14d). Higher means fresher. About