Risa Ushijima defeated Himeno Sakatsume 6-4 6-0 in the W25 Makinohara round of 32 on grass. The upset overturned the form book — Himeno Sakatsume came in leading the head-to-head 1–0. Risa Ushijima claimed a first win over Himeno Sakatsume in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-13 | W60 Kurume | Q32 | carpet | Himeno Sakatsume | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.