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 |
| Challenger Lima | 2018/10/20 21:20 | Tomas Barrios Vera v Pedro Sakamoto | 6-4,6-3 |
| Challenger Campinas | 2018/09/30 13:00 | Nicolas Alvarez v Pedro Sakamoto | 6-3,7-6 |
| Challenger Campinas | 2018/09/29 13:55 | Guillermo Duran v Pedro Sakamoto | 1-6,2-6 |
| ITF Poland F8 | 2018/08/23 09:00 | Pedro Sakamoto v Petr Nouza | 3-6,3-6 |
| ITF Poland F8 | 2018/08/21 09:30 | Pedro Sakamoto v Michal Mikula | 6-3,6-2 |
| ITF Poland F7 | 2018/08/19 09:00 | Jeremy Jahn v Pedro Sakamoto | 6-3,6-4 |
| ITF Poland F7 | 2018/08/18 12:55 | Pedro Sakamoto v Lukas Klein | 6-2,6-2 |
| ITF Poland F7 | 2018/08/17 12:40 | Pedro Sakamoto v Pawel Juszczak | 6-1,6-4 |
| Challenger Lima | 2018/10/20 20:10 | Juan Ignacio Galarza v Federico Zeballos | 6-2,6-1 |
| ITF Peru F3 | 2018/10/09 15:00 | Duilio Beretta v Federico Zeballos | 6-3,3-6,6-3 |
| ITF Bolivia F3 | 2018/09/30 15:00 | Federico Zeballos v Alejandro Mendoza | 6-2,6-1 |
| ITF Bolivia F3 | 2018/09/29 16:35 | Maximiliano Estevez v Federico Zeballos | 2-6,5-7 |
| ITF Bolivia F3 | 2018/09/28 16:00 | Federico Zeballos v Daniil Zarichanskiy | 7-5,6-1 |
| ITF Bolivia F3 | 2018/09/27 16:00 | Federico Zeballos v Sergio Luis H Ramirez | 7-6,6-1 |
| ITF Bolivia F3 | 2018/09/25 16:05 | Federico Zeballos v Enrique Bogo | 7-5,6-4 |
| ITF Bolivia F2 | 2018/09/22 22:00 | Matias Franco Descotte v Federico Zeballos | 6-3,1-6,6-4 |