Risa Ushijima defeated Himari Sato 6-1 2-6 6-1 in the W25 Kyoto round of 32 on hard. The upset overturned the form book — Himari Sato came in leading the head-to-head 1–0, but Risa Ushijima had been the form player, winning 6 of their last 8 on hard. Risa Ushijima claimed a first win over Himari Sato in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-28 | W60 Burnie | Q16 | hard | Himari Sato | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.