Stadium: Court 5 Round: 54 Ground: Clay
| ITF M15 Santa Cruz | 2019/08/05 19:00 | Gaston Erhardt v Cristian Luciano Pastore | 6-4,6-4 |
| ITF M25 Lima | 2019/07/17 19:30 | Rowland Phillips v Gaston Erhardt | 3-6,7-6,7-5 |
| ITF M25 Lima | 2019/07/16 14:00 | Anatoliy Petrenko v Gaston Erhardt | 4-6,7-5,8-10 |
| ITF M25 Lima | 2019/07/15 15:00 | Gaston Erhardt v Andre Ku Meza | 6-4,7-6 |
| ITF M15 Lima | 2019/07/08 14:30 | Facundo Arias Bisso v Gaston Erhardt | 6-0,6-4 |
| ITF Argentina F6 | 2018/09/15 14:00 | Benjamin L Ambrosio v Gaston Erhardt | 6-3,7-5 |
| ITF Argentina F4 | 2018/09/01 14:30 | Santiago Besada v Gaston Erhardt | 6-2,6-2 |
| ITF Argentina F3 | 2018/05/26 14:30 | Gaston Erhardt v Mariano Navone | 1-6,4-6 |
| ITF M15 Santa Cruz | 2019/08/05 19:00 | Jesus Matias Quiroga v Hugo Moura | 6-3,7-6 |
| ITF Argentina F9 | 2018/11/11 13:00 | Esteban Bruna v Jesus Matias Quiroga | 2-6,6-1,6-1 |