Samantha Stosur defeated Ashleigh Barty 6-4 6-4 in the Miami round of 64 on hard. The upset overturned the form book — Ashleigh Barty came in leading the head-to-head 1–0. Samantha Stosur claimed a first win over Ashleigh Barty in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-18 | Miami | R32 | hard | Ashleigh Barty | 6-0 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 (153 vs 199). ATP, WTA & Challenger.