| 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 |
| ITF W15 LPD Gran Canaria | 2020/11/26 11:00 | Anastasia Zarycka v Guillermina Naya | 6-2,6-2 |
| ITF W15 LPD Gran Canaria | 2020/11/25 10:00 | Guillermina Naya v Amanda Carreras | 6-4,4-6,6-4 |
| ITF W25 Tucuman | 2022/02/07 19:05 | Martina M Bovio v Delfina Glorioso | 6-7,2-6 |