Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Evansville | 2021/07/16 16:00 | Hina Inoue v Rebecca Marino | 2-6,1-6 |
| ITF W25 Evansville | 2021/07/15 14:00 | Adriana Reami v Hina Inoue | 3-6,7-5,5-7 |
| ITF W25 Evansville | 2021/07/14 18:40 | Amy Zhu v Hina Inoue | 6-2,6-7,2-6 |
| ITF W15 Prokuplje | 2021/07/06 07:00 | Hina Inoue v Jana Bojovic | 2-6,2-6 |
| ITF W15 Prokuplje | 2021/07/05 09:45 | Velcea , Andreea v Hina Inoue | 7-5,5-7,4-10 |
| ITF W15 L'Aquila | 2021/06/26 12:00 | Tatiana Pieri v Hina Inoue | 6-3,6-1 |
| ITF W15 L'Aquila | 2021/06/25 13:15 | Ardidiacono, Frederica v Hina Inoue | 5-7,6-0,3-6 |
| ITF W15 L'Aquila | 2021/06/24 12:10 | Clara Vlasselaer v Hina Inoue | 4-6,6-4,4-6 |
| ITF - W15 Monastir | 2021/08/15 07:25 | Ayumi Koshiishi v Himeno Sakatsume | 6-3,7-6 |
| ITF - W15 Monastir | 2021/08/14 08:30 | Ayumi Koshiishi v Lauren Proctor | 6-2,7-6 |
| ITF - W15 Monastir | 2021/08/13 08:30 | Ayumi Koshiishi v Raveena Kingsley | 6-1,6-4 |
| ITF - W15 Monastir | 2021/08/12 15:00 | Ueda, Ramu v Ayumi Koshiishi | 4-6,1-6 |
| ITF - W15 Monastir | 2021/08/11 17:00 | Pirtac, Beatrice Laura v Ayumi Koshiishi | 0-6,0-6 |
| ITF - W15 Monastir | 2021/08/07 07:30 | Parazinskaite, Akvile v Ayumi Koshiishi | 6-2,6-2 |
| ITF - W15 Monastir | 2021/08/06 07:30 | Raveena Kingsley v Ayumi Koshiishi | 3-6,3-6 |
| ITF - W15 Monastir | 2021/08/05 07:30 | Ayumi Koshiishi v Dasha Ivanova | 6-1,6-2 |