Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Santiago | 2019/10/02 16:50 | Juan Manuel Cerundolo v Gabriel Alejandro Hidalgo | 7-6,6-0 |
| ITF M15 Buenos Aires | 2019/09/19 12:00 | Gabriel Alejandro Hidalgo v Maximiliano Estevez | 1-6,1-6 |
| ITF M15 Buenos Aires | 2019/09/18 13:20 | Gabriel Alejandro Hidalgo v Enrique Bogo | 5-7,6-2,6-3 |
| ITF M15 Lambare | 2019/08/24 15:00 | Gonzalo Villanueva v Gabriel Alejandro Hidalgo | 6-4,6-4 |
| ITF M15 Lambare | 2019/08/23 17:45 | Federico Zeballos v Gabriel Alejandro Hidalgo | 4-6,6-3,6-7 |
| ITF M15 Lambare | 2019/08/22 15:35 | Ignacio Monzon v Gabriel Alejandro Hidalgo | 2-6,1-6 |
| ITF M15 Lambare | 2019/08/21 18:35 | Gabriel Alejandro Hidalgo v Antonio Cayetano March | 4-6,6-3,6-2 |
| ITF M15 La Paz | 2019/08/14 14:00 | Maximiliano Estevez v Gabriel Alejandro Hidalgo | 5-7,6-3,6-2 |
| ITF M15 Junin | 2019/10/22 12:00 | Gaston Erhardt v Federico Juan Aguilar | 6-4,6-4 |
| ITF M15 Sao Paulo | 2019/10/15 16:45 | Christian Oliveira v Gaston Erhardt | 7-6,6-3 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Paulo A S Dos Santos v Gaston Erhardt | 5-7,6-2,6-10 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Andre Miele v Gaston Erhardt | 6-2,6-2 |
| ITF M15 Santiago | 2019/10/02 11:00 | Felipe Derdoy v Gaston Erhardt | 6-3,6-2 |
| ITF M15 Santiago | 2019/09/30 14:00 | Hugo Moura v Gaston Erhardt | 2-6,0-6 |
| ITF M15 Buenos Aires | 2019/09/17 15:35 | Matias Franco Descotte v Gaston Erhardt | 6-0,7-5 |
| ITF M15 Lambare | 2019/08/22 18:20 | Andre Miele v Gaston Erhardt | 6-2,7-6 |