Miharu Imanishi defeated Ayumi Koshiishi 4-6 6-2 6-4 in the W15 Monastir 16 quarter-final on hard. Miharu Imanishi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-04-29 | W15 Monastir 15 | R16 | hard | Miharu Imanishi | 5-7 6-3 7-6(3) |
| 2019-09-04 | W25 Kyoto | R32 | hard | Ayumi Koshiishi | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.