Samantha Stosur defeated Sorana Cirstea 6-4 7-6 in the Doha round of 32 on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 3–1. Samantha Stosur extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-25 | Prague | R32 | clay | Samantha Stosur | 3-6 6-4 6-2 |
| 2012-01-16 | Australian Open | R128 | hard | Sorana Cirstea | 7-6(2) 6-3 |
| 2009-08-03 | Los Angeles | SF | hard | Samantha Stosur | 6-3 6-2 |
| 2009-05-25 | Roland Garros | QF | clay | Samantha Stosur | 6-1 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.