Round: 62 Ground: Clay
| ITF Portugal F19 | 2018/09/30 10:30 | Sao Thiago, Igor v Ferreira, Joao (Por) | 6-0,6-2 |
| ITF Peru F2 | 2018/09/29 14:30 | Ferreira, Joao (Por) v Araya, Javier | 6-1,6-1 |
| ITF Peru F1 | 2018/09/25 15:00 | Ferreira, Joao (Por) v Mariano Kestelboim | 6-2,2-6,4-6 |
| ITF Peru F1 | 2018/09/23 15:30 | Postay, Alan v Ferreira, Joao (Por) | 4-6,3-6 |
| ITF Portugal F18 | 2018/09/23 10:30 | Rafael I Luque v Ferreira, Joao (Por) | 6-1,6-1 |
| ITF Peru F1 | 2018/09/22 14:30 | Ferreira, Joao (Por) v Gonzalez Huerta, Ivan Rodrigo | 6-3,6-3 |
| ITF Portugal F12 Qual | 2018/07/21 09:00 | Saez-Royuela Ariza, Alvaro v Ferreira, Joao (Por) | 6-4,6-0 |
| ITF Portugal F11 Qual | 2018/06/30 08:30 | Ferreira, Joao (Por) v Vejnovic, Marko | 1-6,1-6 |
| 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 Panta, Gianfranco | 6-2,6-2 |
| ITF Ecuador F2 Qual | 2018/07/30 15:00 | Matos, Diego v Luis Britto | 7-5,7-6 |
| ITF Ecuador F2 Qual | 2018/07/28 15:00 | Vazquez Machuca, Andres v Luis Britto | 0-6,1-6 |
| ITF Ecuador F1 | 2018/07/24 15:00 | Saraiva, Bernardo v Luis Britto | 6-4,6-2 |
| Ecuador F1, Singles Qualifying | 2018/07/23 16:00 | Aramburu Contreras, Ivar Jose v Luis Britto | 1-6,6-1,4-6 |
| ITF Netherlands F2 Qual | 2018/07/01 10:30 | Fernando Yamacita v Luis Britto | 7-5,7-6 |
| ITF Netherlands F2 Qual | 2018/06/30 11:00 | Alcala Llinares, Joan Carles v Luis Britto | 2-6,4-6 |