Stadium: Court 3 Round: 25 Ground: Clay
| ITF Brazil F6 | 2015/10/28 12:00 | Matias Zukas v Marcelo Zormann | 1-6,6-3,3-6 |
| ITF M25 - Bacau | 2021/08/20 08:00 | Matias Zukas v Vladyslav Orlov | 2-6,3-6 |
| ITF M25 - Bacau | 2021/08/19 09:00 | Moez Echargui v Matias Zukas | 1-6,2-6 |
| ITF M25 - Bacau | 2021/08/18 07:00 | Vlad Andrei Dancu v Matias Zukas | 6-7,0-6 |
| ITF M15 - Curtea de Arges | 2021/08/14 08:00 | Matias Zukas v Stefan Palosi | 6-4,0-6,3-6 |
| ITF M15 - Curtea de Arges | 2021/08/13 10:55 | Calin Manda v Matias Zukas | 0-6,7-5,1-6 |
| ITF M15 - Curtea de Arges | 2021/08/12 07:00 | Francesco Passaro v Matias Zukas | 2-6,3-6 |
| ITF M15 - Curtea de Arges | 2021/08/10 10:00 | Clement Tabur v Matias Zukas | 4-6,2-6 |
| ITF M15 - Frederiksberg | 2021/08/05 08:00 | Johannes Ingildsen v Matias Zukas | 6-3,6-1 |
| ITF M25 - Poznan | 2021/08/24 15:10 | Jose Pereira v Marcelo Zormann | 4-6,3-6 |
| ITF M25 - Poznan | 2021/08/24 08:00 | Marcelo Zormann v Mathieu Scaglia | 6-1,7-5 |
| ITF M25 - Poznan | 2021/08/22 08:00 | Dominik Langmajer v Marcelo Zormann | 4-6,1-6 |
| UTR Pro Tennis Series - Barcelona | 2021/06/24 08:30 | Agustin Velotti v Marcelo Zormann | 6-2,5-3 |
| UTR Pro Tennis Series - Barcelona | 2021/06/23 08:00 | Marcelo Zormann v Alvaro Bueno Gil | 6-3,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/06/22 09:30 | Marcelo Zormann v Mario Mansilla Diez | 7-5,6-3 |
| UTR Pro Tennis Series - Barcelona | 2021/06/20 07:00 | Constant De La Bassetiere v Marcelo Zormann | 6-7,1-5 |
| UTR Pro Tennis Series - Barcelona | 2021/06/13 08:30 | Antoine Escoffier v Marcelo Zormann | 6-2,5-0 |