Stadium: Court 15 Round: 25 Ground: Clay
| ITF M15 Brasilia | 2021/11/03 18:00 | Mateo Barreiros Reyes v Nicolas Zanellato | 7-6,2-6,6-4 |
| ITF M25 Rio do Sul | 2021/10/22 13:50 | Gustavo Heide v Nicolas Zanellato | 6-2,3-6,7-6 |
| ITF M25 Rio do Sul | 2021/10/21 16:10 | Nicolas Zanellato v Oscar Jose Gutierrez | 6-7,6-1,6-1 |
| ITF M25 Rio do Sul | 2021/10/20 16:30 | Nicolas Zanellato v Caio Gruber | 6-2,6-1 |
| ITF M15 Recife | 2021/09/24 15:25 | Eduardo Ribeiro v Nicolas Zanellato | 6-4,6-7,6-3 |
| ITF M15 Recife | 2021/09/23 13:30 | Nicolas Zanellato v Joao Eduardo Schiessl | 7-5,6-0 |
| ITF M15 Recife | 2021/09/22 17:40 | Daniel V C Rebelo v Nicolas Zanellato | 0-6,1-6 |
| ITF M15 Monastir | 2021/09/05 09:30 | Timur Kiyamov v Nicolas Zanellato | 6-0,6-2 |
| ITF M15 Brasilia | 2021/11/03 12:00 | Lucas Obeid v Gabriel P Tumasonis | 2-6,1-6 |
| ITF M15 Brasilia | 2021/11/02 16:55 | Lucas Obeid v Victor Tosetto | 4-6,2-6 |
| ITF M25 Rio do Sul | 2021/10/18 18:20 | Lucas Obeid v Thomas Kano | 6-4,5-7,6-10 |
| ITF M15 Recife | 2021/09/23 18:05 | Daniel Dutra Da Silva v Lucas Obeid | 6-2,6-0 |
| ITF M15 Cancun | 2020/01/29 17:00 | Lucas Obeid v Mark Whitehouse | 1-6,1-6 |
| ITF M15 Cancun | 2019/12/11 14:00 | Lucas Obeid v Juan Carlos Aguilar | 2-6,3-6 |
| ITF M15 Cancun | 2019/12/01 19:00 | Gianfranco Panta v Lucas Obeid | 6-0,6-2 |
| ITF M15 Cancun | 2019/10/13 13:30 | Lucas Obeid v Zandrix Acob | 1-6,2-6 |