Ground: Hardcourt outdoor
| ITF W15 Kawaguchi | 2023/06/17 01:00 | Natsuki Yoshimoto v Ayumi Koshiishi | 6-0,6-0 |
| ITF W75 Toronto | 2024/10/30 16:45 | Kayla Cross v Ayumi Koshiishi | 6-4,6-2 |
| ITF W75 Toronto | 2024/10/28 15:30 | Ayumi Koshiishi v Viktoria Morvayova | 6-0,2-6,7-6 |
| ITF W75 Toronto | 2024/10/27 19:45 | Ayumi Koshiishi v Camille Kiss | 6-1,6-0 |
| ITF W75 Saguenay | 2024/10/24 19:20 | Ayumi Koshiishi v Stacey Fung | 1-6,2-6 |
| ITF W75 Saguenay | 2024/10/23 19:00 | Lucija Ciric Bagaric v Ayumi Koshiishi | 6-3,4-6,6-7 |
| ITF W75 Saguenay | 2024/10/21 16:00 | Ayumi Koshiishi v Love-Star Alexis | 6-1,6-1 |
| ITF W75 Saguenay | 2024/10/20 19:45 | Ayumi Koshiishi v Clemence Mercier | 6-2,3-6,6-2 |
| ITF W75 Calgary | 2024/10/18 00:00 | Ayumi Koshiishi v Rebecca Marino | 3-6,2-6 |
| ITF W25 Kyoto | 2023/09/21 05:50 | Natsuki Yoshimoto v Anastasia Kulikova | 2-6,2-6 |
| ITF W25 Kyoto | 2023/09/19 02:45 | Natsuki Yoshimoto v Anri Nagata | 6-2,6-1 |
| ITF W25 Kyoto | 2023/09/18 01:50 | Honoka Kobayashi v Natsuki Yoshimoto | 3-6,1-6 |
| ITF W25 Kyoto | 2023/09/17 03:00 | Riko Kikawada v Natsuki Yoshimoto | 1-6,1-6 |
| ITF W15 Sapporo | 2023/07/28 03:45 | Hiromi Abe v Natsuki Yoshimoto | 6-3,6-7,3-6 |
| ITF W15 Sapporo | 2023/07/27 00:50 | Natsuki Yoshimoto v Jiangxue Han | 6-3,6-2 |
| ITF W15 Sapporo | 2023/07/25 02:00 | Natsuki Yoshimoto v Gio Jang | 6-0,6-0 |
| ITF W15 Kawaguchi | 2023/06/18 02:00 | Nana Kawagishi v Natsuki Yoshimoto | 2-6,0-6 |