Stadium: Court 11 Round: 54 Ground: Clay
| ITF - M15 Santiago | 2019/09/30 14:00 | Derdoy, Felipe v Ignacio A B Otarola | 7-6,6-3 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/18 17:20 | Derdoy, Felipe v Vernier, Michel | 1-6,1-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/17 14:00 | Mariano Navone v Derdoy, Felipe | 6-0,3-6,6-10 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/16 15:00 | Matias Riva v Derdoy, Felipe | 6-4,3-6,2-10 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/15 14:00 | Barros, Emmanuel v Derdoy, Felipe | 4-6,4-6 |
| Koksijde, Singles M-ITF-BEL-04A | 2019/08/15 13:30 | Simon Beaupain v Derdoy, Felipe | 6-3,7-6 |
| Koksijde, Singles M-ITF-BEL-04A | 2019/08/14 08:00 | Derdoy, Felipe v Adamson, Alec | 7-5,4-6,6-2 |
| Koksijde, Singles M-ITF-BEL-04A | 2019/08/13 08:00 | Derdoy, Felipe v Duquesne, Goran | 6-4,6-1 |
| ITF - M15 Santiago | 2019/09/30 14:00 | Moura, Hugo v Erhardt, Gaston | 2-6,0-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/17 15:35 | Matias Franco Descotte v Erhardt, Gaston | 6-0,7-5 |
| ITF M15 Lambare | 2019/08/22 18:20 | Miele, Andre v Erhardt, Gaston | 6-2,7-6 |
| ITF M15 Lambare | 2019/08/21 14:00 | Erhardt, Gaston v Estevez Maximiliano | 7-5,4-6,6-4 |
| ITF M15 Santa Cruz | 2019/08/07 19:00 | Estevez Maximiliano v Erhardt, Gaston | 6-2,6-1 |
| ITF M15 Santa Cruz | 2019/08/06 17:30 | Erhardt, Gaston v Quiroga, Jesus Matias | 7-6,6-1 |
| ITF M15 Santa Cruz | 2019/08/05 19:00 | Erhardt, Gaston v Pastore, Cristian Luciano | 6-4,6-4 |
| ITF M25 Lima | 2019/07/17 19:30 | Rowland Phillips v Erhardt, Gaston | 3-6,7-6,7-5 |