Stadium: Cancha 1 Round: 14 Ground: Clay
| ITF M25 - Lajeado | 2022/11/26 17:10 | Nicolas Zanellato v Marcelo Zormann | 2-6,7-5,4-6 |
| Challenger - Piracicaba | 2024/01/28 18:55 | Alex Barrena v Marcelo Zormann | 6-2,6-4 |
| Challenger - Brasilia | 2023/11/20 16:00 | Gonzalo Bueno v Marcelo Zormann | 6-4,6-4 |
| Challenger - Brasilia | 2023/11/19 14:25 | Marcelo Zormann v Arklon H D Pino | 6-4,6-2 |
| Challenger - Curitiba | 2023/10/22 13:00 | Marcelo Zormann v Ignacio Buse | 3-6,6-7 |
| Challenger - Campinas | 2023/10/02 15:15 | Orlando Luz v Marcelo Zormann | 6-4,6-3 |
| Challenger - Campinas | 2023/10/01 16:55 | Joao M Nusdeo v Marcelo Zormann | 3-6,3-6 |
| Challenger - Bogota | 2023/09/24 18:15 | Blaise Bicknell v Marcelo Zormann | 6-4,3-6,6-4 |
| Challenger - Antofagasta | 2023/09/17 17:50 | Ignacio Monzon v Marcelo Zormann | 6-2,6-2 |
| ITF M25 - Tucuman | 2024/03/01 14:00 | Pedro Sakamoto v Nicolas Zanellato | 6-1,7-5 |
| ITF M15 - Villa Maria | 2024/02/20 15:00 | Mariano Kestelboim v Nicolas Zanellato | 6-2,6-4 |
| ITF M25 - Punta del Este | 2024/02/14 12:50 | Matias Franco Descotte v Nicolas Zanellato | 7-6,0-6,7-5 |
| ITF M25 - Punta del Este | 2024/02/08 15:50 | Federico Juan Aguilar v Nicolas Zanellato | 3-6,6-3,6-4 |
| ITF M25 - Punta del Este | 2024/02/06 17:25 | Nicolas Zanellato v Matias Franco Descotte | 7-5,6-1 |
| Challenger - Piracicaba | 2024/01/30 13:00 | Nicolas Zanellato v Mateus Alves | 5-7,2-6 |
| ITF M15 - Concepción | 2023/12/07 14:00 | Diego F Flores v Nicolas Zanellato | 6-4,4-6,7-5 |
| ITF M15 - Concepción | 2023/12/06 15:35 | Brandon Perez v Nicolas Zanellato | 4-6,1-6 |