Stadium: Jaime Oncins Round: 26 Ground: Clay
| ITF Brazil F8 | 2018/11/05 18:55 | Tsuchiya, Alexandre v Schmid, Aaron | 6-3,6-3 |
| ITF Brazil F6 | 2018/10/23 18:45 | Tsuchiya, Alexandre v Lindell, Christian | 4-6,5-7 |
| ITF Brazil F5 | 2018/10/15 16:30 | Tsuchiya, Alexandre v Francisco Comesana | 6-7,2-6 |
| ITF Bolivia F2 | 2018/09/19 20:00 | Jose Pereira v Tsuchiya, Alexandre | 6-2,7-6 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Pereira, Miguel Fernando v Tsuchiya, Alexandre | 5-7,6-3,2-6 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Tsuchiya, Alexandre v Olivares, Jose | 6-7,3-6 |
| ITF Portugal F16 | 2018/08/21 08:30 | Antoine Cornut-Chauvinc v Tsuchiya, Alexandre | 6-4,6-4 |
| ITF Portugal F15 | 2018/08/14 09:00 | Sora Fukuda v Tsuchiya, Alexandre | 6-3,6-4 |
| 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 F7 | 2018/11/02 15:55 | Alejandro Tabilo v Souza, Joao Olavo | 5-7,5-7 |
| ITF Brazil F7 | 2018/11/01 16:10 | Fermin Tenti v Souza, Joao Olavo | 2-6,1-6 |
| ITF Brazil F7 | 2018/10/30 17:55 | Zarichanskiy, D. v Souza, Joao Olavo | 3-6,4-6 |
| ITF Brazil F6 | 2018/10/26 21:00 | Felipe Meligeni Rodrigues Alves v Souza, Joao Olavo | 6-3,6-4 |
| ITF Brazil F6 | 2018/10/25 20:30 | Facundo Mena v Souza, Joao Olavo | 6-1,3-6,4-6 |