| 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 |
| ITF - M25 Wroclaw | 2021/06/28 11:00 | Toby Alex Kodat v Dominik Kellovsky | 6-3,6-4 |
| ITF - M25 Wroclaw | 2021/06/27 14:00 | Matteo Donati v Dominik Kellovsky | 6-2,6-7,6-10 |
| ITF - M15 Zilina | 2021/09/02 10:10 | Lukas Pokorny v Martins Podzus | 6-4,6-3 |
| ITF - M15 Zilina | 2021/09/01 10:00 | Milos Karol v Martins Podzus | 3-6,6-4,1-6 |
| ITF - M25 Poznan | 2021/08/26 09:00 | Igor Marcondes v Martins Podzus | 6-4,6-1 |
| ITF - M25 Poznan | 2021/08/25 13:10 | Aristotelis Thanos v Martins Podzus | 2-6,3-6 |
| ITF - M25 Kottingbrunn | 2021/07/22 08:00 | Martins Podzus v Bogdan Ionut Apostol | 6-3,1-6,4-6 |
| ITF - M25 Kottingbrunn | 2021/07/20 11:15 | Martins Podzus v Ronan Joncour | 6-0,6-1 |
| ITF - M25 Telfs | 2021/07/16 09:35 | Filip Misolic v Martins Podzus | 3-6,7-6,10-5 |
| ITF - M25 Telfs | 2021/07/13 11:00 | Yan Sabanin v Martins Podzus | 6-7,7-5,3-6 |