Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/04 04:25 | Imanishi, Miharu v Ayumi Koshiishi | 3-6,4-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/11 00:30 | Imanishi, Miharu v Ayumi Koshiishi | 6-3,6-4 |
| ITF - W15 Monastir | 2021/04/27 11:00 | Imanishi, Miharu v Tara Malik | 6-1,6-1 |
| ITF - W15 Monastir | 2021/04/22 10:55 | Eva Vedder v Imanishi, Miharu | 6-1,6-1 |
| ITF - W15 Monastir | 2021/04/20 11:15 | Ukolova, Anna v Imanishi, Miharu | 5-7,6-4,6-7 |
| ITF - W15 Monastir | 2021/04/20 11:00 | Ukolova, Anna v Imanishi, Miharu | 5-7,6-4,6-7 |
| ITF - W15 Monastir | 2021/04/16 08:25 | Kilnarova, Monika v Imanishi, Miharu | 6-1,6-1 |
| ITF - W15 Monastir | 2021/04/15 09:30 | Stacey Fung v Imanishi, Miharu | 7-5,6-7,2-6 |
| ITF - W15 Monastir | 2021/04/08 10:30 | Imanishi, Miharu v Catini, Chiara | 5-7,6-2,4-6 |
| ITF - W15 Monastir | 2021/04/06 13:05 | Imanishi, Miharu v Sinja Kraus | 6-1,6-7,6-1 |
| ITF - W15 Monastir | 2021/04/28 08:30 | Ayumi Koshiishi v Akid, Sara | 6-0,6-1 |
| ITF - W15 Monastir | 2021/04/27 09:30 | Olga Helmi v Ayumi Koshiishi | 6-4,6-7,6-10 |
| ITF - W15 Monastir | 2021/04/26 12:30 | Laura Mair v Ayumi Koshiishi | 6-4,1-6,4-10 |
| ITF - W15 Monastir | 2021/04/25 16:00 | Giulia Carbonaro v Ayumi Koshiishi | 4-6,7-5,2-10 |
| ITF - W15 Antalya | 2021/02/16 11:00 | Ane M D Olmo v Ayumi Koshiishi | 6-4,7-5 |
| ITF - W15 Antalya | 2021/02/15 12:30 | Ilay Yoruk v Ayumi Koshiishi | 4-6,1-6 |
| ITF - W15 Antalya | 2021/02/14 06:00 | Nana Kawagishi v Ayumi Koshiishi | 6-7,6-7 |
| ITF - W15 Antalya | 2021/02/07 09:30 | Arianna Zucchini v Ayumi Koshiishi | 6-7,6-4,10-6 |