Stadium: Court 2 Round: 26 Ground: Synthetic outdoor
| ITF W25 Hamamacu | 2023/10/10 03:40 | Natsumi Kawaguchi v Nana Kawagishi | 6-3,5-7,6-2 |
| WTA Tokio | 2023/09/24 02:35 | Himeno Sakatsume v Natsumi Kawaguchi | 6-7,4-6 |
| WTA Tokio | 2023/09/23 05:25 | Bibiane Schoofs v Natsumi Kawaguchi | 4-6,3-6 |
| ITF W25 Kjóto | 2023/09/20 00:50 | Natsumi Kawaguchi v Akiko Omae | 1-6,6-4,1-6 |
| WTA Osaka | 2023/09/09 06:55 | Himeno Sakatsume v Natsumi Kawaguchi | 6-3,6-3 |
| ITF W100 Tokio | 2023/09/05 02:00 | Alexandra Eala v Natsumi Kawaguchi | 6-4,6-3 |
| ITF W40 Hongkong | 2023/08/22 02:00 | Anastasia Zakharova v Natsumi Kawaguchi | 6-4,6-2 |
| ITF W40 Hongkong | 2023/07/04 04:25 | Ayano Shimizu v Natsumi Kawaguchi | 6-4,7-5 |
| ITF W25 Hamamacu | 2023/10/10 02:55 | Rio Tsuda v Saki Imamura | 4-6,6-7 |
| ITF W25 Makinohara | 2023/10/06 03:15 | Saki Imamura v Thasaporn Naklo | 2-6,3-6 |
| ITF W25 Makinohara | 2023/10/05 05:05 | Kyoka Okamura v Saki Imamura | 4-6,1-6 |
| ITF W25 Makinohara | 2023/10/04 02:00 | Saki Imamura v Kayo Nishimura | 3-6,6-1,6-3 |
| WTA Tokio | 2023/09/23 07:10 | Mai Hontama v Saki Imamura | 6-3,6-3 |
| ITF W25 Kjóto | 2023/09/19 03:55 | Saki Imamura v Thasaporn Naklo | 4-6,1-6 |
| ITF W25 Aldershot | 2023/08/15 10:00 | Saki Imamura v Andre Lukosiute | 6-7,6-3,4-6 |
| ITF W25 Roehampton | 2023/08/08 13:00 | Lesley Pattinama Kerkhove v Saki Imamura | 6-7,6-4,7-6 |