Stadium: Jaime Oncins Round: 26 Ground: Clay
| ITF Brazil F8 | 2018/11/06 17:40 | Santos, Nicolas v Hinsching, Joao | 4-6,6-3,7-6 |
| ITF Brazil F7 | 2018/11/02 15:55 | Santos, Nicolas v Felipe Meligeni Rodrigues Alves | 1-6,3-6 |
| ITF Brazil F7 | 2018/10/31 14:00 | Severino, Carlos Eduardo v Santos, Nicolas | 2-6,3-6 |
| ITF Brazil F7 | 2018/10/30 13:00 | Santos, Nicolas v Damien Wenger | 6-1,6-0 |
| ITF Brazil F6 | 2018/10/25 18:50 | Felipe Meligeni Rodrigues Alves v Santos, Nicolas | 7-6,6-4 |
| ITF Brazil F6 | 2018/10/23 15:20 | Igor Gimenez v Santos, Nicolas | 4-6,1-6 |
| ITF Brazil F5 | 2018/10/18 15:35 | Santos, Nicolas v Francisco Cerundolo | 4-6,1-6 |
| ITF Brazil F5 | 2018/10/16 16:45 | Santos, Nicolas v Okano, Joao Pedro | 6-1,6-1 |
| ITF Brazil F8 | 2018/11/06 13:00 | Da Silva, Gabriel Ciro v Araujo, Rai Vicente de | 1-6,6-1,6-4 |
| ITF Brazil F7 | 2018/11/01 14:00 | Da Silva, Gabriel Ciro v Jose Pereira | 0-6,6-7 |
| ITF Brazil F7 | 2018/10/30 16:00 | Igor Gimenez v Da Silva, Gabriel Ciro | 2-6,7-5,3-6 |
| ITF Brazil F7 | 2018/10/29 12:00 | Da Silva, Gabriel Ciro v Rodrigues, Natan | 6-4,7-6 |
| ITF Brazil F6 | 2018/10/23 14:00 | Da Silva, Gabriel Ciro v Daniel Dutra Da Silva | 4-6,4-6 |
| ITF Brazil F5 | 2018/10/16 14:55 | Da Silva, Gabriel Ciro v Lindell, Christian | 1-6,2-6 |
| Challenger Campinas | 2018/09/29 13:00 | Lipovsek Puches, Tomas v Da Silva, Gabriel Ciro | 6-4,6-4 |
| ITF Portugal F13 | 2018/07/31 16:10 | Da Silva, Gabriel Ciro v Irigaray Guarne, Pablo | 6-3,3-6,6-3 |