| UTR Pro Takasaki femminile | 2023/09/06 01:30 | Tomoko Kato v Yuno Kitahara | 3-6,2-6 |
| UTR Pro Takasaki femminile | 2023/09/05 00:30 | Sayuri Hata v Yuno Kitahara | 2-6,2-6 |
| UTR Pro Takasaki femminile | 2023/09/07 02:44 | Tomoko Kato v Koharu Niimi | 6-2,7-6 |
| UTR Pro Takasaki femminile | 2023/09/06 03:00 | Sayuri Hata v Koharu Niimi | 1-6,6-3,4-6 |
| ITF W15 Antalya | 2023/03/30 08:00 | Martha Matoula v Koharu Niimi | 6-1,6-2 |
| ITF W15 Antalya | 2023/03/29 13:40 | Karolina Kozakova v Koharu Niimi | 1-6,3-6 |
| ITF W15 Antalya | 2023/03/28 09:10 | Koharu Niimi v Ines Faltinger | 6-1,6-1 |
| ITF W15 Antalya | 2023/03/27 08:50 | Xenia Bandurowska v Koharu Niimi | 4-6,5-7 |
| ITF W15 Antalya | 2023/03/26 08:00 | Elizaveta Masnaia v Koharu Niimi | 2-6,3-6 |
| ITF W15 Antalya | 2023/03/22 10:05 | Ilay Yoruk v Koharu Niimi | 1-6,6-4,6-4 |