Stadium: Court 3 Round: 45 Ground: Clay
| ITF Brazil F7 | 2018/10/28 12:30 | Matheus T Rezende v Mateus Alves | 0-6,4-6 |
| ITF Brazil F6 | 2018/10/22 13:00 | Igor Gimenez v Matheus T Rezende | 6-3,6-1 |
| ITF Brazil F6 | 2018/10/20 13:00 | Caio Gruber v Matheus T Rezende | 6-1,3-6,0-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Enrique Bogo v Matheus T Rezende | 6-1,6-0 |
| ITF Peru F3 | 2018/10/06 14:00 | Alejandro H Franco v Matheus T Rezende | 6-2,6-2 |
| ITF Ecuador F2 Qual | 2018/07/29 15:00 | Matheus T Rezende v Joao Hinsching | 4-6,4-6 |
| ITF Ecuador F1 Qual | 2018/07/21 16:00 | Alejandro H Franco v Matheus T Rezende | 6-2,6-1 |
| ITF Argentina F3 | 2018/05/26 14:30 | Matheus T Rezende v Esteban Bruna | 2-6,1-6 |
| ITF Brazil F4 | 2018/05/18 21:10 | Igor Marcondes v Thiago Seyboth Wild | 2-6,3-6 |
| ITF Brazil F4 | 2018/05/16 18:25 | Fernando Yamacita v Igor Marcondes | 4-6,2-6 |
| ITF Brazil F4 | 2018/05/14 19:10 | Igor Marcondes v Alexandre Tsuchiya | 4-6,6-2,6-3 |
| ITF Brazil F3 | 2018/05/08 17:10 | Christian Oliveira v Igor Marcondes | 6-2,6-2 |
| ITF Brazil F2 | 2018/05/05 16:00 | Igor Marcondes v Rafael Matos | 4-6,4-6 |
| ITF Brazil F2 | 2018/05/04 15:00 | Aaron Schmid v Igor Marcondes | 6-7,3-6 |
| ITF Brazil F2 | 2018/05/02 15:00 | Alexandre Tsuchiya v Igor Marcondes | 7-5,5-7,3-6 |
| ITF Brazil F2 | 2018/04/30 15:00 | Igor Marcondes v Jose Pereira | 6-4,7-6 |