| 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 |
| ITF M25 Wroclaw | 2021/06/28 11:00 | Toby Alex Kodat v Dominik Kellovsky | 6-3,6-4 |
| UTR Pro Tennis Series Ricany | 2021/09/06 07:30 | Janos Fekete v Jiri Jenicek | 4-6,4-5 |
| ITF M15 Zilina | 2021/08/31 07:30 | Lukas H Lilleengen v Janos Fekete | 6-1,6-1 |
| ITF M15 Zilina | 2021/08/30 09:30 | Janos Fekete v Franco Roncadelli | 6-3,6-2 |
| ITF M15 Bratislava | 2021/08/25 09:25 | Janos Fekete v Stefan Palosi | 3-6,4-6 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Marek Semjan v Janos Fekete | 4-6,4-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Janos Fekete v Leyton Rivera | 6-2,7-5 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Janos Fekete v Franco Ribero | 6-3,4-6,5-10 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Michael Gloeckler v Janos Fekete | 1-6,3-6 |