Himari Sato defeated Risa Ushijima 6-0 6-2 in the W60 Burnie q16 on hard. The upset overturned the form book — Risa Ushijima came in leading the head-to-head 1–0. Himari Sato claimed a first win over Risa Ushijima in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-04 | W25 Kyoto | R32 | hard | Risa Ushijima | 6-1 2-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.