Stadium: Centre Court Round: 26 Ground: Clay
| 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 F7 | 2018/11/03 15:40 | Facundo Mena v Souza, Joao Olavo | 4-6,3-6 |
| ITF Brazil F8 | 2018/11/04 13:00 | Assuncao Garla, Felipe v Okano, Joao Pedro | 6-2,6-0 |
| ITF Brazil F7 | 2018/10/29 12:00 | Okano, Joao Pedro v Damien Wenger | 3-6,1-6 |
| ITF Brazil F7 | 2018/10/28 15:00 | Costa, Fabio v Okano, Joao Pedro | 6-3,3-6,5-7 |
| ITF Brazil F7 | 2018/10/28 12:30 | Okano, Joao Pedro v Lima, Enrico Dos Santos | 6-0,6-1 |
| ITF Brazil F6 | 2018/10/20 15:30 | Schmitz Frederico, Leonardo v Okano, Joao Pedro | 6-4,6-0 |
| ITF Brazil F5 | 2018/10/16 16:45 | Santos, Nicolas v Okano, Joao Pedro | 6-1,6-1 |
| ITF Brazil F5 | 2018/10/15 14:00 | Okano, Joao Pedro v Lima, Enrico Dos Santos | 6-4,6-2 |
| ITF Brazil F5 | 2018/10/13 17:00 | Eduardo Ribeiro v Okano, Joao Pedro | 5-7,3-6 |