Stadium: Court 3 Round: 25 Ground: Synthetic outdoor
| ITF - W25 Makinohara | 2023/10/05 00:30 | Rina Saigo v Funa Kozaki | 6-3,6-1 |
| ITF - W25 Makinohara | 2023/10/04 01:55 | Funa Kozaki v Miho Kuramochi | 6-3,3-6,6-1 |
| ITF - W25 Makinohara | 2023/10/03 00:30 | Funa Kozaki v Rio Tsuda | 6-4,6-2 |
| ITF - W40 Nanao | 2023/09/29 01:25 | Miho Kuramochi v Funa Kozaki | 6-2,2-6,6-1 |
| ITF - W40 Nanao | 2023/09/27 02:40 | Funa Kozaki v Eri Shimizu | 6-4,6-2 |
| ITF - W40 Nanao | 2023/09/25 01:00 | Funa Kozaki v Aely Arai | 6-4,6-3 |
| ITF - W100 Tokio | 2023/09/03 01:00 | Fernanda Contreras Gomez v Funa Kozaki | 6-0,6-1 |
| ITF - W15 Sapporo | 2023/08/09 02:30 | Funa Kozaki v Man Ying Maggie Ng | 6-2,6-1 |
| ITF - W25 Makinohara | 2023/10/05 00:30 | Thasaporn Naklo v Momoko Kobori | 2-6,6-2,7-6 |
| ITF - W25 Makinohara | 2023/10/04 06:15 | Ayaka Ozeki v Momoko Kobori | 4-6,6-4,2-6 |
| WTA - Osaka | 2023/09/09 04:05 | Momoko Kobori v Eudice Chong | 4-6,6-7 |
| ITF - W100 Tokio | 2023/09/03 05:00 | Miho Kuramochi v Momoko Kobori | 5-7,7-5,7-5 |
| ITF - W40 Hongkong | 2023/08/23 01:55 | Eudice Chong v Momoko Kobori | 6-4,6-7,6-2 |
| ITF - W60 Barcelona | 2023/07/31 08:00 | Momoko Kobori v Nahia Berecoechea | 3-6,6-7 |
| ITF - W60 Barcelona | 2023/07/30 08:00 | Momoko Kobori v Carolina Gomez | 6-2,6-3 |
| ITF - W25 El Espinar | 2023/07/26 12:05 | Polina Iatcenko v Momoko Kobori | 6-2,6-0 |