Stadium: Center Court Round: 44 Ground: Clay
| ITF Brazil F2 | 2018/04/29 17:30 | Fernando Yamacita v Pedro F Maciel | 6-2,6-3 |
| ITF Brazil F1 | 2018/04/24 18:30 | Alexandre Tsuchiya v Fernando Yamacita | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/23 13:00 | Fernando Yamacita v Alexandre G R Girotto | 6-3,6-4 |
| ITF Brazil F1 | 2018/04/22 13:00 | Fernando Yamacita v Rai Vicente de Araujo | 5-7,6-2,6-1 |
| ATP Sao Paulo Qual | 2018/02/24 19:20 | Fernando Yamacita v Guilherme Clezar | 1-6,6-7 |
| ITF USA F6 | 2018/01/27 15:00 | Fernando Yamacita v Paul Oosterbaan | 6-1,5-7,6-7 |
| ITF USA F5 | 2018/01/24 17:35 | Juan Manuel Benitez Chavarriaga v Fernando Yamacita | 6-4,6-3 |
| ITF USA F5 | 2018/01/21 15:00 | Richard Torres v Fernando Yamacita | 4-6,7-6,0-6 |
| ITF Brazil F2 | 2018/04/29 17:30 | Luis Britto v Felipe Garla | 6-4,6-4 |
| ITF Brazil F2 | 2018/04/28 15:00 | Rafael Tosetto v Luis Britto | 4-6,6-4,1-6 |
| ITF Brazil F1 | 2018/04/22 14:00 | Luis Britto v Thiago Agustin Tirante | 4-6,6-7 |
| ITF Turkey F10 | 2018/03/10 08:30 | Luis Britto v Francisco Cerundolo | 6-4,0-6,3-6 |
| ITF Turkey F9 | 2018/03/04 08:30 | Vicente O Moratalla v Luis Britto | 6-3,0-6,6-2 |
| ITF Turkey F9 | 2018/03/03 07:00 | Luis Britto v Tomas Martin Etcheverry | 3-6,6-3,6-2 |
| ITF Turkey F8 | 2018/02/27 08:00 | Luis Britto v Oriol Roca Batalla | 0-6,2-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | Luis Britto v Christian Samuelsson | 3-6,4-6 |