Round: 25 Ground: Clay
| ITF Dominican Republic F2 | 2017/12/03 15:00 | Caballer, Joaquin v Greif, Lukas | 2-6,1-6 |
| ITF Dominican Republic F1 | 2017/11/29 15:35 | Greif, Lukas v Johns, Collin | 3-6,2-6 |
| ITF Dominican Republic F1 | 2017/11/28 19:05 | Juan Sebastian Gomez v Greif, Lukas | 4-6,3-6 |
| ITF Dominican Republic F1 | 2017/11/27 13:00 | Chang, Jonathan v Greif, Lukas | 6-3,4-6,0-6 |
| ITF Dominican Republic F1 | 2017/11/26 15:00 | Gurevich, Victor v Greif, Lukas | 0-6,1-6 |
| ITF USA F38 | 2017/11/21 15:00 | Greif, Lukas v Ward, Alexander | 1-6,5-7 |
| ITF USA F38 | 2017/11/19 15:00 | Greif, Lukas v Reist, Riley H | 1-6,6-2,6-3 |
| ITF USA F35 | 2017/10/29 17:30 | Bivens, Dejon v Greif, Lukas | 6-4,6-4 |
| ITF Dominican Republic F1 | 2017/11/28 16:35 | Verbeek, Sem v Saraiva, Bernardo | 7-6,6-4 |
| ITF Brazil F3 | 2017/11/26 13:30 | Jose Pereira v Saraiva, Bernardo | 6-4,6-3 |
| ITF Brazil F3 | 2017/11/25 15:00 | Joao Lucas Reis da Silva v Saraiva, Bernardo | 1-6,0-6 |
| ITF Brazil F3 | 2017/11/22 16:20 | Saraiva, Bernardo v Severino, Carlos Eduardo | 7-5,6-3 |
| ITF Brazil F3 | 2017/11/20 22:40 | Saraiva, Bernardo v Da Silva, Gabriel Ciro | 6-2,6-3 |
| ITF Brazil F2 | 2017/11/14 16:15 | Saraiva, Bernardo v Dischinger, Eduardo | 4-6,4-6 |
| ITF Morocco F4 | 2017/11/01 10:45 | Saraiva, Bernardo v Goldsteiner, Peter | 2-6,6-3,2-6 |
| ITF Morocco F4 | 2017/10/31 11:30 | Saraiva, Bernardo v Daniel Batista | 6-1,4-6,6-3 |