Polona Hercog defeated Sorana Cirstea 3-6 6-1 6-3 in the Beijing q16 on hard. The upset overturned the form book — Sorana Cirstea came in ranked #17, leading the head-to-head 3–1, defending last year's quarter-final. Polona Hercog narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-12-11 | W100+H Dubai 1 | SF | hard | Sorana Cirstea | 7-5 4-6 7-5 |
| 2019-04-08 | Lugano | R16 | clay | Polona Hercog | 3-6 7-6 6-4 |
| 2016-02-15 | Rio de Janeiro | R16 | clay | Sorana Cirstea | 7-5 7-6 |
| 2012-04-09 | Barcelona | R32 | clay | Sorana Cirstea | 6-4 0-0 |
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
Hercog P.: 12 days rest · 1 match (14d). 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