Stadium: Centre Court Round: 54 Ground: Clay
| ITF M25 Rio do Sul | 2021/10/22 14:20 | Pedro Boscardin Dias v Zormann Da Silva, Marcelo | 6-3,5-7,6-3 |
| ITF M25 Rio do Sul | 2021/10/21 13:10 | Zormann Da Silva, Marcelo v 두트라 다 실바, 다니엘 | 6-4,4-6,6-1 |
| ITF M25 Rio do Sul | 2021/10/20 17:20 | Zormann Da Silva, Marcelo v 비안치니 보고, 엔리크 | 6-3,6-1 |
| ITF M25 Rio do Sul | 2021/10/18 18:30 | Zormann Da Silva, Marcelo v Augusto Giacomolli de Andrade | 6-4,6-0 |
| ITF M15 Recife | 2021/09/24 18:40 | Pereira, Jose v Zormann Da Silva, Marcelo | 7-6,6-4 |
| ITF M15 Recife | 2021/09/23 14:50 | Zormann Da Silva, Marcelo v 구티에레즈, 오스칼 조세 | 6-2,4-6,7-5 |
| ITF M15 Recife | 2021/09/22 16:45 | Zormann Da Silva, Marcelo v Bruno Fernandez | 6-3,6-1 |
| UTR Pro Tennis Series Ricany | 2021/09/08 09:00 | 켈로브스키, 도미니크 v Zormann Da Silva, Marcelo | 6-4,5-1 |
| ITF M15 Cancun | 2021/10/17 18:00 | Alexandre, Ronaldo v 우레아, 안드레스 | 2-6,2-6 |
| ITF M15 Cancun | 2021/10/10 18:00 | 도리아, 루시아노 v Alexandre, Ronaldo | 6-1,6-1 |
| ITF M15 Cancun | 2021/10/03 15:30 | Alexandre, Ronaldo v 존스, 밀레스 | 1-6,1-6 |
| ITF M15 Cancun | 2021/09/26 15:00 | Alexandre, Ronaldo v Luca Moro Almeida | 6-4,6-7,6-10 |
| ITF M15 Cancun | 2021/09/19 14:00 | Alexandre, Ronaldo v 존스, 알렉스 | 2-6,6-3,2-10 |
| ITF M15 Cancun | 2020/03/11 14:00 | 페레즈, 알프레도 v Alexandre, Ronaldo | 6-0,6-0 |
| ITF M15 Cancun | 2020/02/16 15:00 | 왈드, 엠메트 v Alexandre, Ronaldo | 6-0,6-0 |
| ITF M15 Cancun | 2020/02/10 14:00 | Alexandre, Ronaldo v 스테이너, 마이크 | 1-6,1-6 |