
Ashleigh Barty defeated Naomi Osaka 6-3 6-4 in the Nottingham semi-final on grass. The upset overturned the form book — Naomi Osaka came in leading the head-to-head 2–0, defending last year's round of 32. Ashleigh Barty claimed a first win over Naomi Osaka in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-30 | Beijing | F | hard | Naomi Osaka | 3-6 6-3 6-2 |
| 2018-01-15 | Australian Open | R32 | hard | Naomi Osaka | 6-4 6-2 |
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 (199 vs 196). ATP, WTA & Challenger.