Stadium: Court 9 Round: 25 Ground: Clay
| ITF W25 Zaragoza | 2023/09/04 08:30 | Kimmi Hance v Olga Saez Larra | 0-6,7-6,7-10 |
| ITF W25 Zaragoza | 2023/09/03 09:30 | Ananya Vartak v Olga Saez Larra | 3-6,1-6 |
| ITF W100 Madrid | 2023/05/14 14:00 | Suzan Lamens v Olga Saez Larra | 6-2,7-6 |
| ITF W25 Madrid | 2022/06/08 07:25 | Marta H Gonzalez Encinas v Olga Saez Larra | 6-0,6-0 |
| ITF W25 Seville | 2021/10/17 12:00 | Olga Saez Larra v Alba Rey Garcia | 1-6,4-6 |
| ITF W25 Marbella | 2021/09/01 09:50 | Marine Partaud v Olga Saez Larra | 6-2,6-4 |
| ITF W25 Vigo | 2021/08/26 15:00 | Olga Saez Larra v Anastasia Kulikova | 0-6,3-6 |
| ITF W25 Vigo | 2021/08/25 10:25 | Olga Saez Larra v Dea Herdzelas | 6-2,1-6,6-2 |
| WTA Cleveland | 2023/08/19 17:20 | Magdalena Frech v Guillermina Naya | 6-0,6-1 |
| ITF W40 Arequipa | 2023/08/17 17:10 | Guillermina Naya v Jana Kolodynska | 3-6,3-6 |
| ITF W40 Arequipa | 2023/08/16 16:00 | Guillermina Naya v Jaeda Daniel | 6-3,6-7,6-3 |
| ITF W25 Junin | 2023/08/02 13:00 | Luciana Blatter v Guillermina Naya | 7-5,6-3 |
| ITF W25 Bragado | 2023/07/28 15:30 | Guillermina Naya v Solana Sierra | 4-6,7-5,3-6 |
| ITF W25 Bragado | 2023/07/27 15:20 | Guillermina Naya v Lourdes Ayala | 6-3,6-2 |
| ITF W25 Bragado | 2023/07/26 14:25 | Guillermina Naya v Fernanda Labrana | 3-6,6-3,6-1 |
| ITF W15 Rosario | 2023/07/02 16:00 | Sol A Larraya Guidi v Guillermina Naya | 2-6,0-6 |