Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF W40 Yokohama | 2023/11/27 08:05 | Yi Tsen Cho v Rea Nakashima | 6-7,1-6 |
| ITF W25 Yokohama | 2022/11/07 01:00 | Michika Ozeki v Rea Nakashima | 7-6,2-6,10-8 |
| ITF W40 Yokohama | 2023/11/27 07:55 | Yiming Dang v Ikumi Yamazaki | 1-6,1-6 |
| ITF W25 Perth | 2023/09/22 04:40 | Priscilla Hon v Ikumi Yamazaki | 6-1,4-6,6-3 |
| ITF W25 Perth | 2023/09/21 05:05 | Melisa Ercan v Ikumi Yamazaki | 6-7,6-2,2-6 |
| ITF W25 Perth | 2023/09/19 03:30 | Lisa Mays v Ikumi Yamazaki | 0-6,6-3,3-6 |
| ITF W25 Perth | 2023/09/12 02:00 | Mia Horvit v Ikumi Yamazaki | 6-2,6-2 |
| 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 |