Stadium: Cancha 6 Round: 25 Ground: Clay
| ITF M15 Lambare | 2021/12/14 13:00 | Obeid, Lucas v Henrique Hamamoto Ushizima | 4-6,1-6 |
| ITF M15 Guatemala | 2021/11/23 17:00 | Moroni, Filippo v Nusdeo, Joao Marcos | 6-4,6-4 |
| ITF M15 Cochabamba | 2021/11/18 19:20 | Molina, Luis v Nusdeo, Joao Marcos | 6-3,4-6,6-1 |
| ITF M15 Cochabamba | 2021/11/16 18:00 | Brandon Perez v Nusdeo, Joao Marcos | 6-7,2-6 |
| ITF M25 Aparecida De Goiania | 2021/11/09 17:10 | Daniel Dutra Da Silva v Nusdeo, Joao Marcos | 6-1,6-3 |
| ITF M15 Brasilia | 2021/11/04 16:55 | Nusdeo, Joao Marcos v Luis Britto | 0-6,4-6 |
| ITF M15 Brasilia | 2021/11/03 11:55 | Nusdeo, Joao Marcos v Victor Tosetto | 7-5,6-4 |
| ITF M25 Rio do Sul | 2021/10/19 13:15 | Nusdeo, Joao Marcos v Jose Pereira | 2-6,6-4,0-6 |
| ITF M25 Lima | 2021/10/13 14:55 | Nusdeo, Joao Marcos v Thirouin, Jean | 1-6,1-6 |