Stadium: Court 21 Round: 62 Ground: Clay
| ITF W15 - Antalya | 2023/11/19 06:30 | Koharu Niimi v Nikoletta Muller | 6-1,6-1 |
| 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 - Damer | 2023/09/10 00:00 | Koharu Niimi v Mua Shigeta | 5-7,3-6 |
| UTR Pro - Takasaki - Damer | 2023/09/09 07:12 | Koharu Niimi v Annette Robertson | 6-1,6-2 |
| UTR Pro - Takasaki - Damer | 2023/09/09 01:15 | Yuno Kitahara v Koharu Niimi | 6-4,6-2 |
| ITF W15 - Antalya | 2023/11/19 06:30 | Daria Ioana Pastoric v Lucia Santos Sanchez | 3-6,1-6 |
| ITF W25 - Santa Margherita | 2023/10/23 10:00 | Alessandra Mazzola v Lucia Santos Sanchez | 6-1,6-3 |
| ITF W25 - Seville | 2023/10/10 09:30 | Isabella Shinikova v Lucia Santos Sanchez | 6-2,6-2 |
| ITF W15 - Kursumlijska Banja | 2023/08/29 07:00 | Lucia Santos Sanchez v Gebriela Mihaylova | 2-6,2-6 |
| ITF W15 - Kursumlijska Banja | 2023/08/28 07:00 | Yoana Radulova v Lucia Santos Sanchez | 5-7,2-6 |
| ITF W15 - Kursumlijska Banja | 2023/08/27 07:00 | Lucia Santos Sanchez v Lana Stanisic | 2-6,7-6,10-3 |
| ITF W15 - Antalya | 2023/01/08 07:00 | Lucia Santos Sanchez v Rianna Ioana Coreisa | 6-3,6-1 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/02/13 08:00 | Lucia Santos Sanchez v Andrea Burguete Beltran | 2-3 |