Round: 44 Ground: Clay
| ITF Brazil F2 | 2018/04/29 17:30 | Fernando Yamacita v Pedro F Maciel | 6-2,6-3 |
| ITF Brazil F2 | 2018/05/01 15:00 | Oscar Jose Gutierrez v Fernando Yamacita | 6-4,6-0 |
| ITF Brazil F2 | 2018/04/30 15:00 | Fernando Yamacita v Luis Britto | 6-1,6-2 |
| 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 Brazil F3 | 2018/05/05 12:30 | Enrico dos Santos Lima v Pedro F Maciel | 4-6,3-6 |
| ITF Brazil F2 | 2018/04/29 17:30 | Fernando Yamacita v Pedro F Maciel | 6-2,6-3 |
| ITF Brazil F2 | 2018/04/28 17:30 | Pedro F Maciel v Christian Oliveira | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/21 16:00 | Rafael Tosetto v Pedro F Maciel | 4-6,7-6,6-2 |
| ITF USA F5 | 2018/01/22 16:00 | Eros Siringo v Pedro F Maciel | 6-1,6-2 |
| ITF USA F5 | 2018/01/20 16:30 | Pedro F Maciel v Brian Bencic | 6-2,6-2 |
| ITF USA F4 | 2018/01/13 18:00 | Pedro F Maciel v Samuel Shropshire | 6-4,3-6,1-6 |
| ITF USA F3 Qual | 2018/01/05 15:00 | Pedro F Maciel v Christian Seraphim | 6-2,1-6,3-6 |