Stadium: Quadra 3 Round: 26 Ground: Clay
| ITF M25 Weston | 2019/01/30 15:00 | Nicolas Alvarez v Pedro Sakamoto | 6-2,6-1 |
| 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 |
| 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 Seville | 2019/09/09 16:00 | Daniel Munoz-De La Nava v Pedro Sakamoto | 6-2,1-6,6-7 |
| ITF M25 Oviedo | 2019/09/03 08:30 | Pedro Sakamoto v Diego Hidalgo | 3-6,4-6 |
| ITF M25 Gyor | 2019/08/28 13:45 | Lenny Hampel v Pedro Sakamoto | 2-6,6-1,6-3 |
| Challenger Campinas | 2019/10/01 16:20 | Nicolas Alvarez v Jeremy Jahn | 6-4,6-2 |
| Challenger Campinas | 2019/09/30 16:45 | Gilbert S K Junior v Nicolas Alvarez | 2-6,3-6 |
| Challenger Buenos Aires | 2019/09/24 17:30 | Nicolas Alvarez v Thiago Seyboth Wild | 4-6,4-6 |
| Challenger Buenos Aires | 2019/09/23 18:50 | Nicolas Alvarez v Juan Manuel Cerundolo | 6-3,6-0 |
| Challenger Seville | 2019/09/10 15:30 | Paolo Lorenzi v Nicolas Alvarez | 7-5,6-3 |
| Challenger Seville | 2019/09/09 09:00 | Nicolas Alvarez v Jules Okala | 6-2,6-4 |
| ITF M25 Oviedo | 2019/09/05 13:30 | Orlando Luz v Nicolas Alvarez | 5-7,6-3,7-6 |
| ITF M25 Oviedo | 2019/09/04 08:00 | Nicolas Alvarez v Benjamin Bonzi | 6-4,6-2 |