Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Yokohama | 2020/03/03 01:00 | Himari Sato v Misa Okawa | 6-0,6-0 |
| ITF Women Nanao | 2018/08/27 01:00 | Kanami Tsuji v Misa Okawa | 1-6,7-5,6-4 |
| ITF Women Nanao | 2018/08/26 05:00 | Misa Okawa v Ayumi Miyamoto | 7-6,5-7,6-2 |
| ITF W25 Hamamatsu | 2022/10/12 02:25 | Aoi Ito v Natsumi Kawaguchi | 6-3,1-6,6-0 |
| ITF W25 Hamamatsu | 2022/10/10 03:50 | Natsumi Kawaguchi v Meng Yi Chen | 6-4,6-1 |
| ITF W25 Hamamatsu | 2022/10/09 01:00 | Natsumi Kawaguchi v Mua Shigeta | 6-1,6-1 |
| ITF W25 Makinohara | 2022/10/08 01:00 | Natsumi Kawaguchi v Ikumi Yamazaki | 4-6,1-6 |
| ITF W25 Makinohara | 2022/10/04 00:30 | Sayaka Ishii v Natsumi Kawaguchi | 6-1,4-6,5-7 |
| ITF W25 Makinohara | 2022/10/03 04:10 | Natsumi Kawaguchi v Honoka Uchiyama | 6-1,6-1 |
| ITF W25 Nanao | 2022/09/26 00:50 | Natsumi Kawaguchi v Sara Saito | 6-3,3-6,5-10 |
| ITF W25 Nanao | 2022/09/25 02:00 | Natsumi Kawaguchi v Michiru Furuya | 6-2,6-2 |