Stadium: Centre Court Round: 27 Ground: Clay
| ITF Brazil F9 | 2018/11/15 18:30 | Souza, Joao Olavo v Okano, Joao Pedro | 6-2,6-1 |
| ITF Brazil F9 | 2018/11/13 18:00 | Souza, Joao Olavo v Mateus Alves | 6-4,7-6 |
| ITF Brazil F8 | 2018/11/11 13:00 | Lindell, Christian v Souza, Joao Olavo | 1-6,6-7 |
| ITF Brazil F8 | 2018/11/10 15:30 | Santos, Nicolas v Souza, Joao Olavo | 2-6,6-7 |
| ITF Brazil F8 | 2018/11/09 21:15 | Jose Pereira v Souza, Joao Olavo | 6-3,5-7,4-6 |
| ITF Brazil F8 | 2018/11/07 17:00 | Tsuchiya, Alexandre v Souza, Joao Olavo | 4-6,4-6 |
| ITF Brazil F8 | 2018/11/06 23:00 | Blumenberg, Alex v Souza, Joao Olavo | 6-7,6-7 |
| ITF Brazil F7 | 2018/11/04 12:00 | Felipe Meligeni Rodrigues Alves v Souza, Joao Olavo | 3-6,3-6 |
| ITF Brazil F9 | 2018/11/14 13:30 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 1-6,1-6 |
| ITF Brazil F9 | 2018/11/13 12:00 | Hinsching, Joao v Joao Lucas Reis da Silva | 4-6,5-7 |
| ITF Brazil F8 | 2018/11/09 16:55 | Lindell, Christian v Joao Lucas Reis da Silva | 6-3,6-4 |
| ITF Brazil F8 | 2018/11/08 18:10 | Naser, Javier v Joao Lucas Reis da Silva | 3-6,4-6 |
| ITF Brazil F8 | 2018/11/06 16:20 | Enrique Bogo v Joao Lucas Reis da Silva | 7-5,1-6,2-6 |
| ITF Brazil F7 | 2018/11/03 13:00 | Felipe Meligeni Rodrigues Alves v Joao Lucas Reis da Silva | 7-6,7-6 |
| 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 Brazil F7 | 2018/10/31 16:00 | Schmid, Aaron v Joao Lucas Reis da Silva | 0-6,2-6 |