Ayumi Koshiishi defeated Miharu Imanishi 6-3 6-4 in the W25 Kyoto round of 32 on hard. The upset overturned the form book — Miharu Imanishi came in leading the head-to-head 2–0. Ayumi Koshiishi claimed a first win over Miharu Imanishi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-07 | W15 Monastir 16 | QF | hard | Miharu Imanishi | 4-6 6-2 6-4 |
| 2021-04-29 | W15 Monastir 15 | R16 | hard | Miharu Imanishi | 5-7 6-3 7-6(3) |
Averages over each player's completed matches in the selected window (44 vs 7). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About