Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF Brazil F7 | 2018/11/02 13:00 | Matheus P De Almeida v Joao Lucas Reis da Silva | 6-4,6-7,2-6 |
| ITF M15 São Paulo | 2019/10/16 13:50 | Bastian Malla v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF M25 Rio de Janeiro | 2019/10/10 16:30 | Matias Zukas v Joao Lucas Reis da Silva | 6-3,3-6,6-4 |
| Challenger - Campinas | 2019/09/30 18:40 | Alejandro Gonzalez v Joao Lucas Reis da Silva | 7-5,7-5 |
| ITF M15 Lambaré | 2019/08/25 14:00 | Gonzalo Villanueva v Joao Lucas Reis da Silva | 6-1,6-3 |
| ITF M15 Lambaré | 2019/08/24 17:05 | Mauricio Echazu v Joao Lucas Reis da Silva | 2-6,5-7 |
| ITF M15 Lambaré | 2019/08/23 15:35 | Joao Lucas Reis da Silva v Andre Miele | 7-5,7-5 |
| ITF M15 Lambaré | 2019/08/22 15:55 | Joao Lucas Reis da Silva v Leonardo Aboian | 6-1,7-5 |
| ITF M15 Lambaré | 2019/08/21 14:00 | Joao Lucas Reis da Silva v Gabriel Ciro Da Silva | 6-2,5-7,6-4 |
| ITF M15 São Paulo | 2019/10/15 16:55 | Matheus P De Almeida v Rafael Matos | 7-6,5-7,6-7 |
| ITF M25 Rio de Janeiro | 2019/10/08 14:00 | Matheus P De Almeida v Igor Marcondes | 3-6,3-6 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Matheus P De Almeida v Bruno Stefani Figlio | 6-1,6-1 |
| Challenger - Campinas | 2019/09/30 20:40 | Matheus P De Almeida v Tomas Martin Etcheverry | 3-6,4-6 |
| ITF M15 Champaign | 2019/09/14 16:00 | Matheus P De Almeida v Adam Walton | 6-4,3-6,3-6 |
| ITF M15 Champaign | 2019/09/13 18:00 | Matheus P De Almeida v Ezekiel Clark | 7-6,6-1 |
| ITF M15 Champaign | 2019/09/12 17:30 | Matheus P De Almeida v Alexandre Rotsaert | 4-6,6-4,6-3 |
| ITF M15 Champaign | 2019/09/11 16:00 | Takuto Niki v Matheus P De Almeida | 1-6,5-7 |