Stadium: Court 3 Round: 44 Ground: Clay
| Challenger Salinas 2 | 2021/04/27 18:40 | Shuichi Sekiguchi v Pedro Sakamoto | 2-6,4-6 |
| Challenger Tallahassee | 2021/04/21 20:00 | Pedro Sakamoto v Mikael Torpegaard | 0-6,6-3,1-6 |
| Challenger Tallahassee | 2021/04/19 17:00 | Prajnesh Gunneswaran v Pedro Sakamoto | 2-6,6-2,4-6 |
| Challenger Santiago | 2021/03/16 15:15 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-4,6-3 |
| ATP Santiago | 2021/03/07 14:00 | Alejandro Tabilo v Pedro Sakamoto | 7-6,6-4 |
| ATP Santiago | 2021/03/06 13:00 | Rafael Matos v Pedro Sakamoto | 3-6,1-6 |
| ATP Buenos Aires | 2021/02/28 14:00 | Pedro Sakamoto v Agustin Velotti | 3-6,4-6 |
| ATP Cordoba | 2021/02/22 17:30 | Facundo Bagnis v Pedro Sakamoto | 6-2,6-4 |