| UTR Pro Tennis Series - Ricany | 2021/09/07 10:30 | Dominik Kellovsky v Janos Fekete | 0-6,0-5 |
| UTR Pro Tennis Series - Ricany | 2021/09/06 07:30 | Dominik Kellovsky v Martins Podzus | 3-6,7-5,4-6 |
| ITF - M15 - Zilina | 2021/09/01 10:55 | Lukas H Lilleengen v Dominik Kellovsky | 6-4,1-6,7-6 |
| ITF - M15 - Zilina | 2021/08/31 09:30 | Dominik Kellovsky v Tomas Lanik | 6-1,6-4 |
| ITF - M15 - Zilina | 2021/08/30 11:30 | Dominik Kellovsky v Sven Corbinais | 3-6,6-2,10-6 |
| ITF - M15 - Lodz | 2021/08/16 14:00 | Dominik Kellovsky v Valerio Aboian | 0-6,1-6 |
| ITF - M25 - Frankfurt am Main | 2021/08/09 10:50 | Daniel Cukierman v Dominik Kellovsky | 6-2,6-3 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/03 13:35 | Wilson Leite v Dominik Kellovsky | 6-4,6-2 |
| UTR Pro Tennis Series - Ricany | 2021/09/07 10:30 | Martins Podzus v Marcelo Zormann | 3-6,6-3,7-6 |
| ITF - M25 - Ricany | 2021/09/01 08:00 | Marcelo Zormann v Hernan Casanova | 3-6,4-6 |
| ITF - M25 - Ricany | 2021/08/31 08:00 | Adam Kozler v Marcelo Zormann | 1-6,2-6 |
| 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 - Posen | 2021/08/25 12:50 | Matias Zukas v Marcelo Zormann | 6-3,4-6,7-6 |
| ITF - M25 - Posen | 2021/08/24 15:10 | Jose Pereira v Marcelo Zormann | 4-6,3-6 |
| ITF - M25 - Posen | 2021/08/24 08:00 | Marcelo Zormann v Mathieu Scaglia | 6-1,7-5 |