Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF W25 Jokohama | 2022/11/09 03:00 | Ya-Hsuan Lee v Natsumi Kawaguchi | 3-6,2-6 |
| ITF W25 Jokohama | 2022/11/08 00:55 | Yuka Hosoki v Natsumi Kawaguchi | 6-7,4-6 |
| ITF W25 Jokohama | 2022/11/07 03:00 | Misa Okawa v Natsumi Kawaguchi | 3-6,4-6 |
| ITF W25 Hamamacu | 2022/10/12 02:25 | Aoi Ito v Natsumi Kawaguchi | 6-3,1-6,6-0 |
| ITF W25 Hamamacu | 2022/10/10 03:50 | Natsumi Kawaguchi v Meng Yi Chen | 6-4,6-1 |
| ITF W25 Hamamacu | 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 Jokohama | 2022/11/09 04:05 | Momoko Kobori v Luksika Kumkhum | 3-6,7-6,6-3 |
| ITF W25 Hamamacu | 2022/10/12 01:00 | Ikumi Yamazaki v Momoko Kobori | 1-6,7-5,6-3 |
| ITF W25 Makinohara | 2022/10/04 04:45 | Momoko Kobori v Aoi Ito | 6-7,7-6,4-6 |
| ITF W25 Nanao | 2022/10/02 01:00 | Haruka Kaji v Momoko Kobori | 3-6,6-3,6-3 |
| ITF W25 Nanao | 2022/10/01 03:35 | Sakura Hosogi v Momoko Kobori | 4-6,4-6 |
| ITF W25 Nanao | 2022/09/29 00:50 | Momoko Kobori v Ayumi Morita | 6-2,6-4 |
| ITF W25 Nanao | 2022/09/28 01:00 | Momoko Kobori v Aoi Ito | 6-3,6-1 |
| ITF W25 Darwin | 2022/09/23 07:35 | Alexandra Bozovic v Momoko Kobori | 6-3,7-5 |