Samantha Stosur defeated Heather Watson 4-6 6-3 6-0 in the Hong Kong quarter-final on hard. Samantha Stosur extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-01-16 | Australian Open | R128 | hard | Heather Watson | 6-3 3-6 6-0 |
| 2016-07-25 | Montreal | R64 | hard | Samantha Stosur | 7-5 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 199). ATP, WTA & Challenger.