Round: 54 Ground: Clay
| 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 |
| ITF M15 - Lambare | 2019/08/21 14:00 | Gaston Erhardt v Maximiliano Estevez | 7-5,4-6,6-4 |
| ITF M15 Junin | 2019/10/21 14:30 | Ignacio Cuzzani v Federico Juan Aguilar | 1-6,6-4,8-10 |
| ITF M15 - Santiago | 2019/10/02 11:00 | Santiago Besada v Federico Juan Aguilar | 7-5,6-0 |
| ITF M15 - Santiago | 2019/09/30 14:00 | Cristopher Kohl v Federico Juan Aguilar | 1-6,4-6 |
| ITF M15 - Buenos Aires | 2019/09/16 15:00 | Luciano Doria v Federico Juan Aguilar | 6-2,6-2 |
| ITF M15 Tabarka | 2019/09/08 08:30 | Federico Juan Aguilar v Thomas Laurent | 0-6,4-6 |
| ITF M25 La Marsa | 2019/09/04 09:00 | Michael Geerts v Federico Juan Aguilar | 6-0,6-3 |
| ITF M25 La Marsa | 2019/09/02 11:00 | Federico Juan Aguilar v Milan Radojkovic | 6-4,6-4 |
| ITF M25 Irpin | 2019/08/26 07:30 | Federico Juan Aguilar v Roman Boychuk | 6-7,3-6 |