Stadium: Center Court Round: 44 Ground: Clay
| ITF Brazil F2 | 2018/04/29 15:00 | Pedro Sakamoto v Rai Vicente de Araujo | 6-2,6-2 |
| Challenger Mexico City Qual | 2018/04/07 16:00 | Pedro Sakamoto v Andrea Basso | 6-4,6-7,3-6 |
| Challenger Panama City | 2018/04/03 17:20 | Pedro Sakamoto v Andrea Basso | 2-6,2-6 |
| Challenger San Luis Potosi | 2018/03/31 19:00 | Roberto Cid Subervi v Pedro Sakamoto | 6-3,6-3 |
| Challenger San Luis Potosi | 2018/03/30 20:15 | Jay Clarke v Pedro Sakamoto | 3-6,6-7 |
| Challenger San Luis Potosi | 2018/03/29 18:00 | Pedro Sakamoto v Pedja Krstin | 4-6,6-3,7-5 |
| Challenger San Luis Potosi | 2018/03/27 23:20 | Federico Coria v Pedro Sakamoto | 3-6,4-6 |
| Challenger San Luis Potosi Qual | 2018/03/26 19:35 | Pedro Sakamoto v Gonzalo Lama | 6-4,7-6 |
| ITF Brazil F2 | 2018/04/29 15:00 | Joao Giannella v Juan Bautista Otegui | 3-6,2-6 |
| ITF Brazil F1 | 2018/04/22 15:30 | Juan Bautista Otegui v Victor Castro | 6-1,4-6,4-6 |
| ITF Turkey F11 | 2018/03/20 09:30 | Gabriel Donev v Juan Bautista Otegui | 4-6,6-3,7-5 |
| ITF Turkey F10 | 2018/03/11 07:00 | Juan Bautista Otegui v Vladislav Melnic | 1-6,5-7 |
| ITF Turkey F10 | 2018/03/10 08:30 | Juan Bautista Otegui v Philip Wilbert Major | 6-1,6-2 |
| ITF Turkey F9 | 2018/03/04 07:00 | Bogdan Borza v Juan Bautista Otegui | 4-6,6-3,6-3 |
| ITF Turkey F9 | 2018/03/03 08:30 | Artur Kulibaba v Juan Bautista Otegui | 1-6,1-6 |
| ITF Turkey F8 | 2018/02/28 08:30 | Marko Miladinovic v Juan Bautista Otegui | 5-7,6-3,6-2 |