Stadium: MTA 05 Round: 62 Ground: Clay
| ITF W15 Antalya | 2022/10/25 08:30 | Camilla Gennaro v Koharu Niimi | 6-0,6-3 |
| ITF W15 Antalya | 2022/10/24 13:05 | Nina Plibersek v Koharu Niimi | 1-6,1-6 |
| ITF W15 Antalya | 2022/10/23 07:00 | Mariya Sinitsyna v Koharu Niimi | 1-6,2-6 |
| ITF W25 Hamamatsu | 2022/10/09 00:00 | Kisa Yoshioka v Koharu Niimi | 5-7,7-5,10-5 |
| ITF W25 Makinohara | 2022/10/03 06:05 | Yuka Hosoki v Koharu Niimi | 6-0,7-5 |
| ITF W25 Makinohara | 2022/10/03 00:30 | Jia Yi Dong v Koharu Niimi | 3-6,1-6 |
| ITF W25 Nanao | 2022/09/26 02:45 | Koharu Niimi v Ai Yamaguchi | 4-6,4-6 |
| ITF W15 Monastir Qual | 2022/06/21 08:00 | I-Hsuan Cho v Koharu Niimi | 6-1,6-1 |
| ITF W15 Antalya | 2022/10/23 07:00 | Eleanor Baglow v Vasilissa Kupriyanova | 6-0,6-0 |