Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - Madryt W25 | 2021/06/17 16:00 | Olga Saez Larra v Himari Sato | 5-7,4-6 |
| ITF - Madryt W25 | 2021/06/15 10:50 | Olga Saez Larra v Georgia Andreea Craciun | 2-6,6-2,6-4 |
| ITF - Madryt W25 | 2021/06/10 08:50 | Na-Lae Han v Olga Saez Larra | 7-6,6-4 |
| ITF - Madryt W25 | 2021/06/09 12:20 | Olga Saez Larra v Katrina Scott | 2-6,6-4,6-0 |
| ITF - Platja D’Aro W25 | 2021/05/17 12:30 | Rebeka Masarova v Olga Saez Larra | 6-4,6-2 |
| ITF - Platja D’Aro W25 | 2021/05/16 13:00 | Rosa Vicens Mas v Olga Saez Larra | 6-4,0-6,7-10 |
| ITF - La Bisbal W60 | 2021/05/11 08:00 | Greet Minnen v Olga Saez Larra | 6-1,6-2 |
| ITF - La Bisbal W60 | 2021/05/10 08:00 | Carlota Martinez Cirez v Olga Saez Larra | 3-6,3-6 |
| ITF - Madryt W25 | 2021/06/14 09:30 | Ekaterina Yashina v Lucia L Domingo | 6-1,7-5 |
| ITF - Madryt W25 | 2021/06/13 10:00 | Marta Custic v Lucia L Domingo | 6-0,3-6,4-10 |
| ITF - Madryt W25 | 2021/06/07 07:15 | Alba Carrillo Marin v Lucia L Domingo | 6-4,6-3 |
| ITF - Madryt W25 | 2021/06/06 08:00 | Lucia L Domingo v Laura Marti | 3-6,6-1,10-4 |
| ITF - Santa Margarita de Montbui W15 | 2021/05/26 10:25 | Lucia L Domingo v Nicole Gadient | 2-6,3-6 |
| ITF - Platja D’Aro W25 | 2021/05/17 08:30 | Riya Bhatia v Lucia L Domingo | 6-3,6-2 |
| ITF - Manacor W15 | 2021/02/01 10:00 | Lucia L Domingo v Rachel Gailis | 3-6,6-7 |
| ITF - Monastir W15 | 2020/02/07 10:40 | Lucia L Domingo v Margaux Orange | 0-6,0-6 |