Stadium: Stadium Round: 26 Ground: Clay
| ITF Dominican Republic F1 | 2018/11/27 16:30 | Blumenberg, Alex v Omni Kumar | 3-6,6-4,6-2 |
| ITF Dominican Republic F1 | 2018/11/25 15:00 | Blumenberg, Alex v Turino, Osviel | 6-1,6-3 |
| ITF Brazil F9 | 2018/11/17 13:00 | Souza, Joao Olavo v Blumenberg, Alex | 6-3,6-1 |
| ITF Brazil F9 | 2018/11/16 13:00 | Blumenberg, Alex v Severino, Carlos Eduardo | 6-4,6-4 |
| ITF Brazil F9 | 2018/11/15 13:40 | Matos, Rafael v Blumenberg, Alex | 3-6,6-7 |
| ITF Brazil F9 | 2018/11/13 13:30 | Blumenberg, Alex v Nery Junior, Osni | 6-3,6-4 |
| ITF Brazil F9 | 2018/11/12 12:00 | Blumenberg, Alex v Galindo Machado, Luis | 6-1,6-2 |
| ITF Brazil F9 | 2018/11/11 12:00 | Blumenberg, Alex v Saraiva, Rafael | 4-6,7-6,6-3 |
| ITF USA F32 | 2018/11/15 18:00 | Rowland Phillips v Olivares, Jose | 3-6,6-4,10-8 |
| ITF USA F30 | 2018/11/08 19:30 | Kohen, Alan v Olivares, Jose | 6-3,6-3 |
| ITF USA F30 | 2018/11/07 15:00 | Hamilton, Grey v Olivares, Jose | 3-6,1-6 |
| Santo Domingo, Dominican Republic | 2018/10/09 15:00 | Olivares, Jose v Federico Coria | 2-6,0-6 |
| ITF Bolivia F3 | 2018/09/25 18:00 | Boris Arias v Olivares, Jose | 7-5,7-6 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Olivares, Jose v Miele, Andre | 4-6,6-4,2-6 |
| ITF Bolivia F1 | 2018/09/12 23:15 | Doria, Luciano v Olivares, Jose | 7-6,6-4 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Tsuchiya, Alexandre v Olivares, Jose | 6-7,3-6 |