Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Naples | 2019/01/18 17:00 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-7 |
| Challenger Campinas | 2018/09/30 13:00 | Nicolas Alvarez v Pedro Sakamoto | 6-3,7-6 |
| ITF M25 Palm Coast | 2019/01/28 17:00 | Nicolas Alvarez v Sekou Bangoura | 7-6,1-6,6-4 |
| ITF M25 Palm Coast | 2019/01/26 16:00 | Nicolas Alvarez v Alessandro Petrone | 6-1,6-4 |
| ITF M25 Palm Coast | 2019/01/25 15:00 | Nicolas Alvarez v Pietro Rondoni | 6-1,6-3 |
| ITF M25 Palm Coast | 2019/01/24 18:25 | Dmitry Popko v Nicolas Alvarez | 1-6,4-6 |
| ITF M25 Palm Coast | 2019/01/23 16:20 | Nicolas Alvarez v Evan Zhu | 6-3,6-1 |
| ITF M15 Naples | 2019/01/18 17:00 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-7 |
| ITF M15 Naples | 2019/01/17 19:30 | Nicolas Alvarez v Luis Patino | 7-5,6-3 |
| ITF M15 Naples | 2019/01/16 17:30 | Nicolas Alvarez v Jesse Witten | 6-3,6-3 |
| Challenger Punta del Este | 2019/01/22 17:00 | Matias Franco Descotte v Pedro Sakamoto | 6-4,6-1 |
| ITF M15 Naples | 2019/01/20 16:00 | Sekou Bangoura v Pedro Sakamoto | 7-6,6-0 |
| ITF M15 Naples | 2019/01/19 18:05 | Pedro Sakamoto v Nicolas Mejia | 4-6,6-4,6-2 |
| ITF M15 Naples | 2019/01/18 17:00 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-7 |
| ITF M15 Naples | 2019/01/17 15:30 | Facundo Mena v Pedro Sakamoto | 6-7,6-0,3-6 |
| ITF M15 Naples | 2019/01/15 15:30 | Gonzalo Lama v Pedro Sakamoto | 4-6,1-6 |
| Challenger Buenos Aires | 2018/11/11 20:15 | Pedro Sakamoto v Gonzalo Villanueva | 5-7,6-4,2-6 |
| Challenger Buenos Aires | 2018/11/11 16:10 | Pedro Sakamoto v Tomas Farjat | 6-3,6-3 |