Stadium: Court 1 Round: 26 Ground: Clay
| ITF Brazil F5 | 2018/10/16 18:15 | Luis Britto v Paulo A S Dos Santos | 6-4,6-3 |
| ITF Peru F3 | 2018/10/07 16:00 | Luis Britto v Mateus Alves | 1-6,6-4,3-6 |
| ITF Peru F3 | 2018/10/06 14:00 | Luis Britto v Gianfranco Panta | 6-3,6-0 |
| ITF Peru F2 | 2018/09/30 15:30 | Joao Ferreira v Luis Britto | 6-3,6-2 |
| ITF Peru F1 | 2018/09/24 15:00 | Luis Britto v Guido Ivan Justo | 1-6,1-6 |
| ITF Peru F1 | 2018/09/23 15:30 | Luis Britto v Gianfranco Panta | 6-2,6-2 |
| ITF Ecuador F2 Qual | 2018/07/30 15:00 | Diego Matos v Luis Britto | 7-5,7-6 |
| ITF Ecuador F2 Qual | 2018/07/28 15:00 | Andres V Machuca v Luis Britto | 0-6,1-6 |
| ITF Brazil F5 | 2018/10/16 22:00 | Joao Hinsching v Joao Souza | 6-2,4-6,1-6 |
| Challenger Santo Domingo | 2018/10/08 17:15 | Martin Cuevas v Joao Souza | 6-4,6-2 |
| Challenger Santo Domingo | 2018/10/07 20:35 | Riccardo Bellotti v Joao Souza | 6-7,3-6 |
| Challenger Santo Domingo | 2018/10/06 18:05 | Joao Souza v Renzo Olivo | 6-4,6-2 |
| Challenger Campinas | 2018/10/02 15:15 | Joao Souza v Fabrizio Ornago | 6-7,6-7 |
| Challenger Campinas | 2018/09/30 16:15 | Franco Agamenone v Joao Souza | 4-6,2-6 |
| Challenger Campinas Qual | 2018/09/29 13:00 | Joao M Nusdeo v Joao Souza | 2-6,0-6 |
| Challenger Tiburon | 2018/09/22 21:55 | Joao Souza v Jenson Brooksby | 5-7,1-6 |