Stadium: Cancha 6 Round: 27
| ITF Bolivia F1 MD | 2018/09/14 00:15 | Zeballos/Zukas v Pereira/Tsuchiya | 6-4,6-3 |
| ITF Bolivia F1 MD | 2018/09/13 00:00 | Pereira/Tsuchiya v Carou/Tenti | 6-2,7-6 |
| ITF Bolivia F1 MD | 2018/09/10 23:00 | Pereira/Tsuchiya v Catala/Cossioterrazas | 6-4,6-2 |
| ITF Brazil F4 MD | 2018/05/18 22:35 | Matos/Turini v Pereira/Tsuchiya | 6-2,1-6,10-8 |
| ITF Brazil F4 MD | 2018/05/17 22:00 | Villanueva/Villanueva v Pereira/Tsuchiya | 3-6,1-6 |
| ITF Brazil F4 MD | 2018/05/16 20:15 | Pereira/Tsuchiya v Dischinger/Leite | 7-6,7-5 |
| ITF Brazil F2 MD | 2018/05/02 20:00 | Pereira/Tsuchiya v Tabilo/Zukas | 2-6,4-6 |
| ITF Brazil F2 MD | 2018/05/01 22:00 | Pereira/Tsuchiya v Alves/Gimenez | 6-4,7-5 |
| ITF Bolivia F2 MD | 2018/09/17 22:30 | Ortiz/Zaidman v Catala/Cossioterrazas | 6-4,6-3 |
| ITF Bolivia F1 MD | 2018/09/11 00:40 | Villalpando/Eguez v Ortiz/Zaidman | 4-6,6-4,10-5 |