Stadium: Cancha 2 Round: 45 Ground: Clay
| Challenger Guayaquil Qual | 2017/10/28 16:05 | Pedro Sakamoto v Federico Zeballos | 6-3,5-7,7-6 |
| ITF Brazil F3 | 2018/05/11 18:25 | Pedro Sakamoto v Oscar Jose Gutierrez | 5-7,6-4,3-6 |
| ITF Brazil F3 | 2018/05/10 17:55 | Pedro Sakamoto v Camilo Ugo Carabelli | 5-7,6-2,6-3 |
| ITF Brazil F3 | 2018/05/08 13:00 | Pedro Sakamoto v Diego Matos | 6-0,6-2 |
| ITF Brazil F2 | 2018/05/05 00:25 | Oscar Jose Gutierrez v Pedro Sakamoto | 6-3,2-6,6-3 |
| ITF Brazil F2 | 2018/05/03 23:20 | Pedro Sakamoto v Francisco Comesana | 6-1,6-0 |
| ITF Brazil F2 | 2018/05/01 15:00 | Pedro Sakamoto v Thales Turini | 6-1,6-2 |
| ITF Brazil F2 | 2018/04/30 15:00 | Pedro Sakamoto v Juan Bautista Otegui | 7-5,6-3 |
| ITF Brazil F2 | 2018/04/29 15:00 | Pedro Sakamoto v Rai Vicente de Araujo | 6-2,6-2 |
| ITF Mexico F3 | 2018/05/22 16:30 | Gage Brymer v Federico Zeballos | 6-4,6-3 |
| ITF Mexico F2 | 2018/05/18 18:00 | Junior Alexander Ore v Federico Zeballos | 6-3,6-4 |
| ITF Mexico F2 | 2018/05/16 18:05 | Jack Findel-Hawkins v Federico Zeballos | 6-3,3-6,6-7 |
| ITF Mexico F2 | 2018/05/15 18:45 | Manuel Sanchez v Federico Zeballos | 4-6,5-7 |
| ITF Mexico F1 | 2018/05/13 18:00 | Federico Zeballos v Christopher Diaz-Figueroa | 6-3,6-2 |
| ITF Mexico F1 | 2018/05/12 18:15 | Samuel Monette v Federico Zeballos | 4-6,4-6 |
| ITF Mexico F1 | 2018/05/09 18:00 | Federico Zeballos v Harrison Adams | 6-2,6-4 |
| ITF Mexico F1 | 2018/05/07 19:05 | Federico Zeballos v Raleigh Smith | 6-2,7-6 |