| UTR Pro Tigre Women | 2023/03/14 12:00 | Guillermina Naya v Ani Vangelova | 6-2,5-2 |
| UTR Pro Tigre Women | 2023/03/13 13:30 | Guillermina Naya v Martina M Bovio | 6-2,6-2 |
| ITF W25 Tucuman | 2023/02/28 12:00 | Jazmin Ortenzi v Guillermina Naya | 6-2,7-6 |
| ITF W25 Tucuman | 2023/02/22 15:20 | Daniela Vismane v Guillermina Naya | 6-1,2-6,6-1 |
| ITF W25 Tucuman | 2023/02/21 15:40 | Valentina Mutilba v Guillermina Naya | 4-6,1-6 |
| ITF W25 Cordoba | 2021/04/06 16:20 | Guillermina Naya v Naiktha Bains | 3-6,6-3,5-7 |
| ITF W25 Villa Maria | 2021/03/31 19:40 | Yvonne Cavalle-Reimers v Guillermina Naya | 4-6,6-4,6-3 |
| ITF W25 Buenos Aires | 2021/03/23 19:20 | Guillermina Naya v Mell E R Gonzalez | 6-4,0-6,4-6 |