Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Yokohama | 2022/11/07 01:00 | Michika Ozeki v Rea Nakashima | 7-6,2-6,10-8 |
| ITF W15 Nakhon Si Thammarat | 2023/07/11 02:00 | Carol Young Suh Lee v Ikumi Yamazaki | 4-6,6-3,6-0 |
| ITF W25 Nakhon Si Thammarat | 2023/07/05 02:00 | Shrivalli Rashmikaa Bhamidipaty v Ikumi Yamazaki | 6-0,6-2 |
| ITF W25 Daegu | 2023/06/07 01:00 | Ikumi Yamazaki v Dabin Kim | 2-6,0-6 |
| ITF W25 Goyang | 2023/05/24 05:05 | Ikumi Yamazaki v Lizette Cabrera | 2-6,6-3,2-6 |
| ITF W25 Incheon | 2023/05/19 02:00 | Ikumi Yamazaki v Yu Jin Ahn | 5-7,4-6 |
| ITF W25 Incheon | 2023/05/18 01:00 | Ya-Hsuan Lee v Ikumi Yamazaki | 3-6,6-7 |
| ITF W25 Incheon | 2023/05/17 05:25 | Jeongha Oh v Ikumi Yamazaki | 4-6,4-6 |
| ITF W25 Santa Margherita | 2023/05/04 07:30 | Kathinka Von Deichmann v Ikumi Yamazaki | 6-1,6-3 |