Johanna Konta defeated Ashleigh Barty 6-3 7-5 in the Nottingham quarter-final on grass. The upset overturned the form book — Ashleigh Barty came in leading the head-to-head 3–0, defending last year's quarter-final. Johanna Konta claimed a first win over Ashleigh Barty in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-09-24 | Wuhan | R64 | hard | Ashleigh Barty | 7-5 6-4 |
| 2018-06-11 | Nottingham | F | grass | Ashleigh Barty | 6-3 3-6 6-4 |
| 2017-09-25 | Wuhan | R32 | hard | Ashleigh Barty | 6-0 4-6 7-6(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 (198 vs 199). ATP, WTA & Challenger.