Stadium: Court 1 Round: 25 Ground: Clay
| ITF Brazil F3 | 2018/05/09 15:00 | Christian Oliveira v Daniel Dutra Da Silva | 1-6,3-6 |
| Challenger Campinas | 2018/09/29 18:40 | Joao Pedro Sorgi v Daniel Dutra Da Silva | 6-4,6-0 |
| Challenger Como | 2018/08/26 08:30 | Daniel Dutra Da Silva v Miljan Zekic | 6-7,4-6 |
| Challenger Como | 2018/08/25 09:45 | Daniel Dutra Da Silva v Giovanni Fonio | 6-0,6-4 |
| Challenger Cordenons | 2018/08/13 12:00 | Daniel Dutra Da Silva v Juan Pablo Ficovich | 6-3,6-4 |
| Challenger Cordenons | 2018/08/12 16:15 | Daniel Dutra Da Silva v Gonzalo Villanueva | 7-5,6-4 |
| Challenger Cordenons | 2018/08/11 14:35 | Daniel Dutra Da Silva v Davide Galoppini | 6-3,6-3 |
| ITF Italy F22 | 2018/08/06 16:05 | Daniel Dutra Da Silva v Giovanni Fonio | 2-6,6-4,3-6 |
| ITF Italy F21 | 2018/08/01 11:50 | Riccardo Balzerani v Daniel Dutra Da Silva | 6-7,6-2,7-5 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Eduardo Ribeiro v Christian Oliveira | 7-6,6-0 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Pedro Ortega v Christian Oliveira | 5-7,0-6 |
| ITF Brazil F3 | 2018/05/09 15:00 | Christian Oliveira v Daniel Dutra Da Silva | 1-6,3-6 |
| ITF Brazil F3 | 2018/05/08 17:10 | Christian Oliveira v Igor Marcondes | 6-2,6-2 |
| ITF Brazil F3 | 2018/05/07 12:30 | Gabriel Ciro Da Silva v Christian Oliveira | 6-7,4-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Nicolas Zaidman v Christian Oliveira | 3-6,6-7 |
| ITF Brazil F2 | 2018/04/28 17:30 | Pedro F Maciel v Christian Oliveira | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/23 14:00 | Christian Oliveira v Gonzalo Villanueva | 7-5,3-6,0-6 |