Stadium: Court 4 Round: 44 Ground: Clay
| ITF M25 Ricany | 2021/08/30 10:00 | Martin Machala v Adam Kozler | 6-7,6-4,10-12 |
| ITF M25 Ricany | 2021/08/29 10:30 | Adam Kozler v Jakub Kroslak | 7-6,6-1 |
| ITF M25 Ricany | 2021/08/30 09:00 | Marcelo Zormann v Krystof Zapsky | 6-2,6-3 |
| ITF M25 Ricany | 2021/08/29 10:30 | Giovanni Agostinetto v Marcelo Zormann | 3-6,4-6 |
| ITF M25 Poznan | 2021/08/25 12:50 | Matias Zukas v Marcelo Zormann | 6-3,4-6,7-6 |
| 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 |