Stadium: Cancha 6 Round: 25 Ground: Clay
| Challenger Buenos Aires Qual | 2017/10/08 14:00 | Mario Vilella Martinez v Pedro Sakamoto | 6-2,6-2 |
| Challenger Lima | 2019/10/21 20:40 | Jose Hernandez-Fernandez v Pedro Sakamoto | 5-7,7-6,0-6 |
| Challenger Santo Domingo | 2019/10/07 20:50 | Joao Menezes v Pedro Sakamoto | 6-2,7-6 |
| Challenger Campinas | 2019/10/03 16:05 | Pedro Sakamoto v Nicolas Alvarez | 1-6,2-6 |
| Challenger Campinas | 2019/09/30 16:25 | Pedro Sakamoto v Pol Toledo Bague | 6-4,6-0 |
| Challenger Buenos Aires | 2019/09/24 15:30 | Sumit Nagal v Pedro Sakamoto | 6-7,6-4,6-3 |
| Challenger Buenos Aires | 2019/09/23 13:30 | Sebastian Baez v Pedro Sakamoto | 7-6,2-6,6-7 |
| Challenger Seville | 2019/09/12 20:20 | Pedro Sakamoto v Alejandro Davidovich Fokina | 3-6,2-6 |
| Challenger Seville | 2019/09/11 11:10 | Pedro Cachin v Pedro Sakamoto | 4-6,2-6 |
| Challenger Santo Domingo | 2019/10/10 23:00 | Mario Vilella Martinez v Alejandro Tabilo | 6-3,0-6,3-6 |
| Challenger Santo Domingo | 2019/10/08 17:00 | Mario Vilella Martinez v Maxime Hamou | 6-2,6-1 |
| Challenger Florence | 2019/09/27 09:00 | Marco Trungelliti v Mario Vilella Martinez | 4-6,6-3,7-6 |
| Challenger Florence | 2019/09/26 11:10 | Filip Horansky v Mario Vilella Martinez | 1-6,1-6 |
| Challenger Florence | 2019/09/24 10:50 | Daniel Gimeno-Traver v Mario Vilella Martinez | 6-7,2-6 |
| Challenger Biella | 2019/09/19 11:30 | Mario Vilella Martinez v Andrea Collarini | 7-6,4-6,2-6 |
| Challenger Biella | 2019/09/18 08:00 | Mario Vilella Martinez v Raul Brancaccio | 6-1,6-4 |
| Challenger Seville | 2019/09/12 11:00 | Mario Vilella Martinez v Guillermo Garcia-Lopez | 6-1,6-7,4-6 |