Stadium: Quadra 4 Round: 62 Ground: Clay
| ITF Brazil F4 Qual | 2018/05/14 13:00 | Fabio Costa v Mateo Barreiros Reyes | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Fabio Costa v Felipe Muzzi | 6-4,7-6 |
| ITF Brazil F2 | 2018/04/29 15:00 | Francisco Comesana v Fabio Costa | 7-6,6-1 |
| ITF Brazil F1 | 2018/04/22 15:30 | Gabriel De Andrade Bendazoli v Fabio Costa | 6-2,6-3 |
| ITF USA F6 | 2018/01/28 15:00 | Sergey Belov v Fabio Costa | 6-4,6-4 |
| ITF USA F6 | 2018/01/27 17:30 | Brian Bencic v Fabio Costa | 2-6,3-6 |
| ITF USA F5 | 2018/01/19 16:00 | Daniel Fainblum v Fabio Costa | 6-4,6-2 |
| ITF USA F3 Qual | 2018/01/06 16:00 | Fabio Costa v Trent Bryde | 6-7,2-6 |
| ITF Brazil F7 | 2018/10/28 12:30 | Joao Pedro Okano v Enrico dos Santos Lima | 6-0,6-1 |
| ITF Brazil F6 | 2018/10/20 15:30 | Leonardo S Frederico v Joao Pedro Okano | 6-4,6-0 |
| ITF Brazil F5 | 2018/10/16 16:45 | Nicolas Santos v Joao Pedro Okano | 6-1,6-1 |
| ITF Brazil F5 | 2018/10/15 14:00 | Joao Pedro Okano v Enrico dos Santos Lima | 6-4,6-2 |
| ITF Brazil F5 | 2018/10/13 17:00 | Eduardo Ribeiro v Joao Pedro Okano | 5-7,3-6 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Rafael Tosetto v Joao Pedro Okano | 6-3,3-6,6-0 |
| ITF Brazil F3 | 2018/05/05 12:30 | Joao Pedro Okano v Joao Giannella | 3-6,4-6 |
| ITF Turkey F12 | 2018/03/24 06:30 | Joao Pedro Okano v Felix Morck | 3-6,4-6 |