Stadium: Cancha 1 Round: 28
| ITF Bolivia F1 MD | 2018/09/11 00:25 | Zeballos F / Zukas M v Barros M / Doria L | 6-2,6-3 |
| ITF Bolivia F1 MD | 2018/09/13 00:00 | Pereira J / Tsuchiya A v Carou I / Tenti F | 6-2,7-6 |
| ITF Bolivia F1 MD | 2018/09/10 23:00 | Pereira J / Tsuchiya A v Catala J A / Cossioterrazas F | 6-4,6-2 |
| ITF Brazil F4 MD | 2018/05/18 22:35 | Matos D / Turini T v Pereira J / Tsuchiya A | 6-2,1-6,10-8 |
| ITF Brazil F4 MD | 2018/05/17 22:00 | Villanueva G A / Villanueva G v Pereira J / Tsuchiya A | 3-6,1-6 |
| ITF Brazil F4 MD | 2018/05/16 20:15 | Pereira J / Tsuchiya A v Dischinger E / Leite W | 7-6,7-5 |
| ITF Brazil F2 MD | 2018/05/02 20:00 | Pereira J / Tsuchiya A v Tabilo A / Zukas M | 2-6,4-6 |
| ITF Brazil F2 MD | 2018/05/01 22:00 | Pereira J / Tsuchiya A v Alves M / Gimenez I | 6-4,7-5 |
| ITF Brazil F1 MD | 2018/04/26 21:30 | Pereira J / Tsuchiya A v Matos R / Zormann M | 6-7,3-6 |