Samantha Stosur defeated Misaki Doi 6-2 6-4 in the Osaka round of 16 on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 3–0, defending last year's quarter-final. Samantha Stosur extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-08 | Olympics | R32 | hard | Samantha Stosur | 6-3 6-4 |
| 2016-05-23 | Roland Garros | R128 | clay | Samantha Stosur | 6-2 4-6 6-3 |
| 2013-10-07 | Osaka | QF | hard | Samantha Stosur | 6-1 3-6 6-3 |
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 198). ATP, WTA & Challenger.