Stadium: Centre Court Round: 27 Ground: Clay
| ITF M25 Rio do Sul | 2021/10/21 14:50 | Gilbert S K Junior v Pedro Boscardin Dias | 6-2,3-6,2-6 |
| ITF M25 Rio do Sul | 2021/10/20 17:05 | Pedro Boscardin Dias v Gabriel Roveri Sidney | 6-4,6-2 |
| ITF M15 Recife | 2021/09/25 16:00 | Pedro Boscardin Dias v Jose Pereira | 6-7,3-6 |
| ITF M15 Recife | 2021/09/24 14:00 | Pedro Boscardin Dias v Wilson Leite | 7-6,7-6 |
| ITF M15 Recife | 2021/09/23 13:30 | Pedro Boscardin Dias v Enrique Bogo | 7-6,6-1 |
| ITF M15 Recife | 2021/09/21 22:40 | Pedro Boscardin Dias v Mateo Barreiros Reyes | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/16 15:00 | Pedro Boscardin Dias v Juan A H Serrano | 3-6,4-6 |
| ITF M25 Medellin | 2021/09/15 16:35 | Pedro Boscardin Dias v Gustavo Heide | 6-3,3-6,6-3 |
| ITF M25 Rio do Sul | 2021/10/21 13:10 | Marcelo Zormann v Daniel Dutra Da Silva | 6-4,4-6,6-1 |
| ITF M25 Rio do Sul | 2021/10/20 17:20 | Marcelo Zormann v Enrique Bogo | 6-3,6-1 |
| ITF M25 Rio do Sul | 2021/10/18 18:30 | Marcelo Zormann v Augusto Giacomolli de Andrade | 6-4,6-0 |
| ITF M15 Recife | 2021/09/24 18:40 | Jose Pereira v Marcelo Zormann | 7-6,6-4 |
| ITF M15 Recife | 2021/09/23 14:50 | Marcelo Zormann v Oscar Jose Gutierrez | 6-2,4-6,7-5 |
| ITF M15 Recife | 2021/09/22 16:45 | Marcelo Zormann v Bruno Fernandez | 6-3,6-1 |
| UTR Pro Tennis Series Ricany | 2021/09/08 09:00 | Dominik Kellovsky v Marcelo Zormann | 6-4,5-1 |
| UTR Pro Tennis Series Ricany | 2021/09/07 10:30 | Martins Podzus v Marcelo Zormann | 3-6,6-3,7-6 |