Samantha Stosur defeated Christina Mchale 6-1 7-5 in the Stanford round of 16 on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 3–1, defending last year's semi-final. Samantha Stosur extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-16 | Fed Cup WG R1: AUS vs USA | RR | hard | Christina Mchale | 3-6 6-1 7-5 |
| 2016-03-07 | Indian Wells | R32 | hard | Samantha Stosur | 6-4 2-6 6-4 |
| 2014-06-09 | Birmingham | R32 | grass | Samantha Stosur | 6-1 6-3 |
| 2012-05-07 | Madrid | R32 | clay | Samantha Stosur | 2-6 6-4 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
Averages over each player's completed matches in the selected window (197 vs 200). ATP, WTA & Challenger.