Sorana Cirstea defeated Agnieszka Radwanska 7-6 1-6 7-5 in the Los Angeles quarter-final on hard. The upset overturned the form book — Agnieszka Radwanska came in leading the head-to-head 6–0. Sorana Cirstea claimed a first win over Agnieszka Radwanska in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-01-02 | Shenzhen | R16 | hard | Agnieszka Radwanska | 6-0 6-3 |
| 2014-02-10 | Doha | R32 | hard | Agnieszka Radwanska | 7-5 6-0 |
| 2013-03-04 | Indian Wells | R32 | hard | Agnieszka Radwanska | 6-7(3) 6-3 6-4 |
| 2012-03-05 | Indian Wells | R64 | hard | Agnieszka Radwanska | 6-2 6-4 |
| 2009-07-27 | Stanford | R32 | hard | Agnieszka Radwanska | 6-0 6-1 |
| 2008-05-19 | Istanbul | R16 | clay | Agnieszka Radwanska | 6-0 6-0 |
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 198). 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). Higher means fresher. About