Stadium: Centre Court Round: 27 Ground: Clay
| ITF Brazil F1 | 2018/04/26 01:30 | Santos, Nicolas v Lindell, Christian | 6-7,4-6 |
| ITF Brazil F1 | 2018/04/25 23:00 | Santos, Nicolas v Lindell, Christian | 6-7,4-5 |
| ITF Brazil F3 | 2018/05/11 00:00 | Lindell, Christian v Paulo A S Dos Santos | 6-3,6-0 |
| ITF Brazil F3 | 2018/05/08 17:55 | Lindell, Christian v Juan Bautista Otegui | 6-4,6-3 |
| ITF Brazil F2 | 2018/05/03 15:00 | Lindell, Christian v Marcelo Zormann | 6-7,4-6 |
| ITF Brazil F2 | 2018/05/01 23:50 | Lindell, Christian v Alejandro Tabilo | 6-2,7-6 |
| ITF Brazil F1 | 2018/04/28 16:45 | Camilo Ugo Carabelli v Lindell, Christian | 6-3,6-1 |
| ITF Brazil F1 | 2018/04/27 21:30 | Wilson Leite v Lindell, Christian | 3-6,5-7 |
| ITF Brazil F1 | 2018/04/26 01:30 | Santos, Nicolas v Lindell, Christian | 6-7,4-6 |
| ITF Brazil F1 | 2018/04/25 23:00 | Santos, Nicolas v Lindell, Christian | 6-7,4-5 |
| ITF Brazil F3 | 2018/05/09 16:40 | Gobernate, Asdrubal v Santos, Nicolas | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/07 15:30 | Santos, Nicolas v Wilson Leite | 6-2,6-4 |
| ITF Brazil F2 | 2018/05/02 15:00 | Severino, Carlos Eduardo v Santos, Nicolas | 7-6,6-3 |
| ITF Brazil F1 | 2018/04/26 01:30 | Santos, Nicolas v Lindell, Christian | 6-7,4-6 |
| ITF Brazil F1 | 2018/04/25 23:00 | Santos, Nicolas v Lindell, Christian | 6-7,4-5 |
| ITF Brazil F1 | 2018/04/23 23:35 | Santos, Nicolas v Mateus Alves | 6-3,6-4 |
| ITF Turkey F9 | 2018/03/05 07:00 | Santos, Nicolas v Gabi Adrian Boitan | 3-6,3-6 |
| ITF Turkey F9 | 2018/03/04 07:00 | Santos, Nicolas v Giusca, Teodor | 1-6,6-4,7-5 |