Stadium: Quadra 1 Round: 25 Ground: Clay
| Challenger Campinas | 2019/09/30 14:35 | Matias Zukas v Juan Pablo Ficovich | 2-6,3-6 |
| Challenger Buenos Aires | 2019/09/23 16:15 | Matias Zukas v Camilo Ugo Carabelli | 6-4,6-7,2-6 |
| Challenger Banja Luka | 2019/09/10 08:00 | Ivan Nedelko v Matias Zukas | 6-1,7-5 |
| ITF M15 Tabarka | 2019/09/05 10:50 | Kenneth Raisma v Matias Zukas | 6-4,6-2 |
| ITF M15 Tabarka | 2019/09/04 13:35 | Alessandro Ingarao v Matias Zukas | 4-6,4-6 |
| ITF M15 Tabarka | 2019/08/29 11:45 | Matias Zukas v Alexandros Skorilas | 6-3,6-1 |
| ITF M15 Tabarka | 2019/08/28 09:45 | Matias Zukas v Mikalai Haliak | 7-6,6-0 |
| ITF M15 Tabarka | 2019/08/25 08:30 | Tomas Martin Etcheverry v Matias Zukas | 2-6,6-3,5-7 |
| Challenger Campinas | 2019/09/30 18:40 | Alejandro Gonzalez v Joao Lucas Reis da Silva | 7-5,7-5 |
| ITF M15 Lambare | 2019/08/25 14:00 | Gonzalo Villanueva v Joao Lucas Reis da Silva | 6-1,6-3 |
| ITF M15 Lambare | 2019/08/24 17:05 | Mauricio Echazu v Joao Lucas Reis da Silva | 2-6,5-7 |
| ITF M15 Lambare | 2019/08/23 15:35 | Joao Lucas Reis da Silva v Andre Miele | 7-5,7-5 |
| ITF M15 Lambare | 2019/08/22 15:55 | Joao Lucas Reis da Silva v Leonardo Aboian | 6-1,7-5 |
| ITF M15 Lambare | 2019/08/21 14:00 | Joao Lucas Reis da Silva v Gabriel Ciro Da Silva | 6-2,5-7,6-4 |
| ITF M15 Santa Cruz | 2019/08/10 19:00 | Joao Lucas Reis da Silva v Juan Bautista Otegui | 3-6,6-4,5-7 |
| ITF M15 Santa Cruz | 2019/08/09 20:00 | Maximiliano Estevez v Joao Lucas Reis da Silva | 1-6,2-6 |