Stadium: Court 5 Round: 25 Ground: Clay
| 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 |