Stadium: Quadra Central Round: 14 Ground: Clay
| Challenger Sao Paulo | 2021/12/01 12:30 | Nicolas Jarry v Pedro Sakamoto | 6-3,6-4 |
| Challenger Sao Paulo | 2021/11/30 12:30 | Pedro Sakamoto v Soares Klier, Gilbert | 2-6,7-5,7-5 |
| Challenger Campinas | 2021/11/14 18:10 | Pedro Sakamoto v Bogdan Bobrov | 2-6,4-6 |
| Ambato, Ecuador | 2021/09/22 18:40 | Pedro Sakamoto v Johan Nikles | 3-6,4-6 |
| Ambato, Ecuador | 2021/09/21 15:00 | Gonzalez, Alejandro v Pedro Sakamoto | 3-6,4-6 |
| ITF M25 Medellin | 2021/09/18 14:50 | Pedro Sakamoto v Soares Klier, Gilbert | 3-6,6-7 |
| ITF M25 Medellin | 2021/09/17 15:00 | Pedro Sakamoto v Hernandez Serrano, Juan Alejandro | 6-3,6-2 |
| ITF M25 Medellin | 2021/09/16 14:55 | Pedro Sakamoto v Tacchi, Luciano | 6-4,6-2 |
| ITF M15 Cundinamarca | 2021/11/18 19:45 | Joao Victor C Loureiro v Vernier, Michel | 2-6,3-6 |
| ITF M15 Cundinamarca | 2021/11/16 15:45 | Joao Victor C Loureiro v Bendeck, Jose Daniel | 6-2,6-3 |
| ITF M25 Aparecida De Goiania | 2021/11/10 15:00 | Joao Victor C Loureiro v Leonardo Aboian | 2-6,3-6 |
| ITF M15 Brasilia | 2021/11/03 15:10 | Joao Victor C Loureiro v Dali Blanch | 6-4,6-7,2-6 |
| ITF M25 Rio do Sul | 2021/10/20 16:00 | Joao Victor C Loureiro v Daniel Dutra Da Silva | 1-6,0-6 |
| ITF M15 Cancun | 2021/10/04 16:30 | Joao Victor C Loureiro v Reinberg, Emil | 7-6,4-6,6-10 |
| ITF M15 Cancun | 2021/09/29 17:55 | Joshua Sheehy v Joao Victor C Loureiro | 7-6,4-6,6-4 |
| ITF M15 Cancun | 2021/09/22 21:00 | Miles Jones v Joao Victor C Loureiro | 6-3,6-0 |