Stadium: COURT 1 Round: 26 Ground: Hardcourt outdoor
| ITF Brazil F3 MD | 2018/05/12 21:15 | Etcheverry T M / Seyboth Wild T v Gutierrez O J / Ribeiro Marcondes I | 6-7,7-6,11-9 |
| ITF Brazil F3 MD | 2018/05/12 00:45 | Bernardi P / Dutra Da Silva D v Gutierrez O J / Ribeiro Marcondes I | 1-6,6-4,7-10 |
| ITF Brazil F3 MD | 2018/05/09 21:30 | Gutierrez O J / Ribeiro Marcondes I v Ugo Carabelli C / Vilaro A | 7-6,6-3 |
| ITF Brazil F3 MD | 2018/05/07 15:30 | Gutierrez O J / Ribeiro Marcondes I v Miele A / Tsuchiya A | 7-6,6-3 |
| ITF Brazil F2 MD | 2018/05/01 22:25 | Gutierrez O J / Ribeiro Marcondes I v Miele A / Turini T | 3-6,4-6 |
| ITF Brazil F1 MD | 2018/04/27 23:45 | Gutierrez O J / Ribeiro Marcondes I v Matos R / Zormann M | 6-7,1-6 |
| ITF Brazil F1 MD | 2018/04/26 17:15 | Britto L / Santos N v Gutierrez O J / Ribeiro Marcondes I | 3-6,4-6 |
| ITF Brazil F1 MD | 2018/04/24 21:30 | Alves M / Alves T v Gutierrez O J / Ribeiro Marcondes I | 3-6,6-7 |
| ITF Brazil F3 MD | 2017/11/23 14:30 | Matos R / Zormann M v Costa F / Da Silva G C | 6-2,6-2 |
| ITF Brazil F3 MD | 2017/11/21 14:45 | Lodis B / Reami Da Cunha L v Costa F / Da Silva G C | 1-6,6-7 |