Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Nanao | 2022/10/02 01:00 | Haruka Kaji v Momoko Kobori | 3-6,6-3,6-3 |
| ITF W25 Tsukuba | 2019/08/24 02:45 | Momoko Kobori v Haruka Kaji | 6-0,6-7,2-6 |
| ITF W25 Hong Kong | 2019/01/08 04:15 | Momoko Kobori v Haruka Kaji | 6-3,6-0 |
| ITF Women Kashiwa | 2017/04/06 01:00 | Momoko Kobori v Haruka Kaji | 6-3,7-6 |
| ITF W25 Burnie | 2023/02/09 03:45 | Alexandra Bozovic v Haruka Kaji | 6-1,6-4 |
| ITF W25 Burnie | 2023/02/06 23:00 | Yexin Ma v Haruka Kaji | 2-6,1-6 |
| WTA Hua Hin | 2023/01/28 04:00 | Ipek Oz v Haruka Kaji | 6-3,6-0 |
| ITF W40 Nonthaburi | 2023/01/13 05:20 | Haruka Kaji v Anastasia Kulikova | 5-7,5-7 |
| ITF W40 Nonthaburi | 2023/01/12 06:10 | Ankita Raina v Haruka Kaji | 5-7,3-6 |
| ITF W40 Nonthaburi | 2023/01/11 07:25 | Haruna Arakawa v Haruka Kaji | 6-4,6-7,2-6 |
| ITF W40 Nonthaburi | 2023/01/04 04:40 | Haruka Kaji v Zongyu Li | 2-6,6-4,1-6 |
| ITF W60 Kyoto | 2022/12/20 03:20 | Haruka Kaji v Yuriko Lily Miyazaki | 6-3,3-6,1-6 |
| ITF W40 Astana | 2023/03/01 05:35 | Kristina Mladenovic v Momoko Kobori | 6-0,6-0 |
| ITF W40 Astana | 2023/02/28 04:00 | Momoko Kobori v Ekaterina Yashina | 6-2,6-4 |
| ITF W40 Astana | 2023/02/27 09:30 | Momoko Kobori v Ilay Yoruk | 6-7,6-0,6-3 |
| ITF W60 Kyoto | 2022/12/23 01:00 | Momoko Kobori v Yuriko Lily Miyazaki | 6-2,4-6,3-6 |
| ITF W60 Kyoto | 2022/12/22 00:55 | Momoko Kobori v Haruna Arakawa | 7-5,6-3 |
| ITF W60 Kyoto | 2022/12/20 02:15 | Peangtarn Plipuech v Momoko Kobori | 2-6,7-5,4-6 |
| ITF W60 Tokyo | 2022/11/18 03:00 | Momoko Kobori v Moyuka Uchijima | 1-6,4-6 |
| ITF W60 Tokyo | 2022/11/17 01:00 | Himeno Sakatsume v Momoko Kobori | 4-6,2-6 |