Round: 62 Ground: Clay
| ITF Brazil F9 | 2018/11/15 13:00 | Fernando Yamacita v Luis Britto | 6-3,7-6 |
| ITF Brazil F9 | 2018/11/13 16:00 | Joao M Nusdeo v Luis Britto | 2-6,0-6 |
| ITF Brazil F9 | 2018/11/12 12:00 | Luis Britto v Gabriel De Andrade Bendazoli | 3-6,6-3,6-4 |
| ITF Brazil F9 | 2018/11/11 12:00 | Luis Britto v Gustavo D Martins | 4-6,6-1,6-2 |
| ITF Brazil F8 | 2018/11/08 14:30 | Luis Britto v Rafael Matos | 0-6,1-6 |
| ITF Brazil F8 | 2018/11/06 15:35 | Luis Britto v Louroi Martinez | 6-4,6-4 |
| ITF Brazil F8 | 2018/11/05 13:00 | Fabio Costa v Luis Britto | 3-6,6-7 |
| ITF Brazil F8 | 2018/11/04 15:30 | Leonardo Reami Da Cunha v Luis Britto | 0-6,3-6 |
| ITF Dominican Republic F1 | 2018/11/24 14:30 | Credit Chaiyarin v Tomas Krcma | 6-1,6-1 |
| ITF USA F30 | 2018/11/03 19:00 | Cannon Kingsley v Credit Chaiyarin | 6-1,6-1 |
| ITF USA F29 | 2018/10/26 23:00 | Credit Chaiyarin v Jonathan Sorbo | 5-7,5-7 |
| ITF USA F28B | 2018/10/20 15:30 | Credit Chaiyarin v Joseph Corse | 4-6,6-1,6-7 |