Yukina Saigo defeated Miharu Imanishi 4-6 6-4 6-3 in the W25 Tsukuba round of 32 on hard. The upset overturned the form book — Miharu Imanishi came in leading the head-to-head 1–0. Yukina Saigo claimed a first win over Miharu Imanishi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-04-14 | W15 Monastir 13 | R32 | hard | Miharu Imanishi | 3-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.