Mua Shigeta defeated Ayaka Okuno 6-3 7-5 in the W25 Hamamatsu q32 on carpet. The upset overturned the form book — Ayaka Okuno came in leading the head-to-head 1–0. Mua Shigeta claimed a first win over Ayaka Okuno in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-17 | W60 Kyoto | Q32 | hard | Ayaka Okuno | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.