Samantha Stosur defeated Jamie Hampton 6-2 6-4 in the Osaka quarter-final on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 2–0, defending last year's final. Samantha Stosur extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-12 | Cincinnati | R32 | hard | Samantha Stosur | 6-3 7-6(3) |
| 2012-04-02 | Charleston | R32 | clay | Samantha Stosur | 6-0 7-5 |
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 64). ATP, WTA & Challenger.