Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF - Takasaki W100 | 2023/11/20 02:30 | Luksika Kumkhum v Natsumi Kawaguchi | 6-3,4-6,7-5 |
| ITF - Takasaki W100 | 2023/11/13 07:25 | Sijia Wei v Natsumi Kawaguchi | 7-5,6-0 |
| ITF - Takasaki W100 | 2023/11/13 04:30 | Rinon Okuwaki v Natsumi Kawaguchi | 4-6,2-6 |
| ITF - Sydney W60 | 2023/10/30 23:00 | Yuki Naito v Natsumi Kawaguchi | 7-5,7-5 |
| ITF - Playford W60 | 2023/10/25 01:10 | Natsumi Kawaguchi v Jaimee Fourlis | 6-3,5-7,1-6 |
| ITF - Hamamatsu W25 | 2023/10/12 02:45 | Natsumi Kawaguchi v Saki Imamura | 1-6,2-6 |
| ITF - Hamamatsu W25 | 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 |
| ITF - Takasaki W100 | 2023/11/21 01:00 | En Shuo Liang v Momoko Kobori | 4-6,6-2,4-6 |
| ITF - Takasaki W100 | 2023/11/20 04:45 | En Shuo Liang v Rinon Okuwaki | 5-7,6-1,6-1 |
| ITF - Takasaki W100 | 2023/11/18 02:50 | En Shuo Liang v Yue Yuan | 4-6,1-6 |
| ITF - Takasaki W100 | 2023/11/17 06:00 | Mananchaya Sawangkaew v En Shuo Liang | 5-7,6-3,2-6 |
| ITF - Takasaki W100 | 2023/11/16 01:50 | Valeria Savinykh v En Shuo Liang | 0-6,5-7 |
| ITF - Takasaki W100 | 2023/11/15 02:25 | En Shuo Liang v Kimberly Birrell | 6-3,1-6,7-5 |
| ITF - Takasaki W100 | 2023/11/13 08:30 | En Shuo Liang v Naho Sato | 6-3,6-3 |
| ITF - Takasaki W100 | 2023/11/13 04:55 | En Shuo Liang v Michaela Bayerlova | 6-2,6-3 |