Stadium: Court 20 Round: 62 Ground: Clay
| ITF W15 Antalya | 2023/11/14 10:30 | Koharu Niimi v Lidiia Rasskovskaia | 2-6,6-7 |
| ITF W15 Antalya | 2023/11/14 06:30 | Koharu Niimi v Basak Akbas | 6-1,6-1 |
| ITF W15 Antalya | 2023/11/12 07:00 | Koharu Niimi v Rebeca Maria Tudose | 6-3,6-0 |
| ITF W15 Antalya | 2023/11/05 07:00 | Koharu Niimi v Zoziya Kardava | 3-6,0-6 |
| UTR Pro Takasaki Women | 2023/09/10 00:00 | Koharu Niimi v Mua Shigeta | 5-7,3-6 |
| UTR Pro Takasaki Women | 2023/09/09 07:12 | Koharu Niimi v Annette Robertson | 6-1,6-2 |
| UTR Pro Takasaki Women | 2023/09/09 01:15 | Yuno Kitahara v Koharu Niimi | 6-4,6-2 |
| UTR Pro Takasaki Women | 2023/09/07 02:44 | Tomoko Kato v Koharu Niimi | 6-2,7-6 |
| ITF W15 Antalya | 2023/11/14 06:25 | Nikoletta Muller v Nastasja Schunk | 2-6,1-6 |
| ITF W15 Antalya | 2023/11/12 07:00 | Ipek Sakiroglu v Nikoletta Muller | 1-6,0-6 |
| ITF W15 Antalya | 2023/11/06 10:40 | Bianca Bulat v Nikoletta Muller | 6-0,6-1 |
| ITF W15 Antalya | 2023/11/05 07:00 | Duru Kuscu v Nikoletta Muller | 3-6,2-6 |
| ITF W15 Sibenik | 2023/10/01 11:00 | Jana Otzipka v Nikoletta Muller | 6-2,6-3 |
| ITF W25 Warmbad-Villach | 2023/05/21 12:00 | Anastasiya Konstantinovna Soboleva v Nikoletta Muller | 6-1,6-0 |
| ITF W25 Warmbad-Villach | 2023/05/21 07:00 | Stella Horacek v Nikoletta Muller | 4-6,4-6 |
| ITF W15 Antalya | 2023/05/15 06:50 | Nikoletta Muller v Isabella B Aguirre | 6-3,1-6,6-10 |