Round: 45 Ground: Clay
| Challenger Curitiba Qual | 2016/08/28 18:15 | Mina, Gianni v Santos, Nicolas | 6-0,6-2 |
| Challenger Curitiba Qual | 2016/08/27 18:30 | Matos, Rafael v Santos, Nicolas | 6-4,3-6,2-6 |
| ITF Brazil F4 | 2016/07/21 15:10 | Jose Pereira v Santos, Nicolas | 7-5,6-1 |
| ITF Brazil F4 | 2016/07/19 16:45 | D'Annunzio, Felipe v Santos, Nicolas | 2-6,2-6 |
| ITF Brazil F2 | 2016/07/07 17:00 | Oscar Jose Gutierrez v Santos, Nicolas | 6-4,6-3 |
| ITF Brazil F2 | 2016/07/06 14:00 | Santos, Nicolas v Martniez, Mateo Nicolas | 6-2,3-6,6-3 |
| ITF Brazil F2 | 2016/07/04 14:00 | Santos, Nicolas v Ribeiro Marcondes, Igor | 7-5,6-4 |
| ITF Brazil F1 | 2016/06/28 13:00 | Santos, Nicolas v Daniel Dutra Da Silva | 4-6,2-6 |
| ITF Colombia F4 | 2014/08/23 16:00 | Giraldo Restrepo, Diego Alejandro v Quinti, Adriano | 1-6,0-6 |