Stadium: Court 3 Round: 25 Ground: Synthetic outdoor
| ITF - W25 Tokio | 2023/05/31 02:55 | Natsumi Kawaguchi v Nana Kawagishi | 6-3,6-2 |
| 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 Kyoto | 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 Hongkong | 2023/06/29 03:20 | Ya-Yi Yang v Natsumi Kawaguchi | 6-3,6-1 |
| ITF - W25 Makinohara | 2023/10/04 04:10 | Nana Kawagishi v Ayano Shimizu | 5-7,4-6 |
| ITF - W40 Nanao | 2023/09/27 00:55 | Nana Kawagishi v Suzuho Oshino | 3-6,3-6 |
| ITF - W15 Yeongwol | 2023/08/29 00:55 | Sunam Jeong v Nana Kawagishi | 3-6,6-3,6-4 |
| ITF - W15 Nakhon Si Thammarat | 2023/08/24 03:30 | Yidi Yang v Nana Kawagishi | 6-4,6-3 |
| ITF - W15 Nakhon Si Thammarat | 2023/08/22 01:55 | Kisa Yoshioka v Nana Kawagishi | 4-6,4-6 |
| ITF - W15 Sapporo | 2023/08/10 01:00 | Nana Kawagishi v Kayo Nishimura | 6-7,4-6 |
| ITF - W15 Sapporo | 2023/08/08 02:30 | Nana Kawagishi v Kamonwan Yodpetch | 4-6,6-4,6-2 |
| ITF - W15 Sapporo | 2023/08/01 01:00 | Rinon Okuwaki v Nana Kawagishi | 6-3,7-6 |