Samantha Stosur defeated Roberta Vinci 4-6 7-5 7-5 in the Sydney round of 32 on hard. The result followed the form book — Samantha Stosur came in defending last year's round of 16. Samantha Stosur extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-02-18 | Dubai | QF | hard | Roberta Vinci | 6-2 6-4 |
| 2011-08-08 | Toronto | QF | hard | Samantha Stosur | 6-4 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (197 vs 98). ATP, WTA & Challenger.