Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Buenos Aires Qual | 2017/03/13 17:00 | Daniel Dutra Da Silva v Marcelo Zormann | 6-3,6-2 |
| Challenger Santiago Qual | 2017/03/04 17:25 | Marcelo Zormann v Daniel Dutra Da Silva | 4-6,6-1,3-6 |
| ITF Argentina F6 | 2016/05/14 12:30 | Marcelo Zormann v Daniel Dutra Da Silva | 6-4,0-6,6-2 |
| ITF Brazil F3 | 2018/05/09 23:25 | Carlos Eduardo Severino v Marcelo Zormann | 1-6,1-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Alejo Vilaro v Marcelo Zormann | 4-6,6-7 |
| ITF Brazil F2 | 2018/05/04 17:30 | Marcelo Zormann v Gonzalo Villanueva | 6-4,6-7,5-7 |
| ITF Brazil F2 | 2018/05/03 15:00 | Christian Lindell v Marcelo Zormann | 6-7,4-6 |
| ITF Brazil F2 | 2018/05/01 22:25 | Marcelo Zormann v Eduardo Dischinger | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/26 15:30 | Marcelo Zormann v Thiago Seyboth Wild | 2-6,3-6 |
| ITF Brazil F1 | 2018/04/24 23:15 | Marcelo Zormann v Sergio Luis H Ramirez | 7-6,6-1 |
| ITF Turkey F13 | 2018/04/01 08:30 | Marcelo Zormann v Christian Oliveira | 3-6,5-7 |
| ITF Brazil F3 | 2018/05/09 15:00 | Christian Oliveira v Daniel Dutra Da Silva | 1-6,3-6 |
| ITF Brazil F3 | 2018/05/07 18:25 | Thales Turini v Daniel Dutra Da Silva | 6-4,3-6,4-6 |
| Challenger Puerto Vallarta | 2018/05/01 23:00 | Daniel Dutra Da Silva v Victor Estrella Burgos | 1-6,1-6 |
| ITF Brazil F1 | 2018/04/28 14:00 | Daniel Dutra Da Silva v Thiago Seyboth Wild | 5-7,6-7 |
| ITF Brazil F1 | 2018/04/27 15:30 | Daniel Dutra Da Silva v Joao Lucas Reis da Silva | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/25 15:30 | Daniel Dutra Da Silva v Gonzalo Villanueva | 7-5,7-6 |
| ITF Brazil F1 | 2018/04/24 16:20 | Daniel Dutra Da Silva v Victor Castro | 6-0,6-2 |
| ATP Sao Paulo Qual | 2018/02/24 19:25 | Daniel Dutra Da Silva v Roberto Quiroz | 6-4,2-6,3-6 |