| Cyprus Int. | 2021/10/16 13:00 | Mateusz Danielak v Jan Janostik | L | 2-0 |
| Cyprus Int. Qual | 2021/10/14 15:00 | Andrzej Niczyporuk v Jan Janostik | W | 0-2 |
| Latvia Int. Qual | 2021/08/26 15:00 | Jan Janostik v Gustav Bjorkler | L | 0-2 |
| Latvia Int. Qual | 2021/08/26 11:00 | Maksymilian Danielak v Jan Janostik | W | 0-2 |
| Lithuanian International - Calificari | 2021/06/10 16:30 | Jan Janostik v Gregoire Deschamp | L | 1-2 |
| Lithuanian International - Calificari | 2021/06/10 14:00 | Viacheslav Yakovlev v Jan Janostik | W | 0-2 |
| Lithuanian International - Calificari | 2021/06/10 12:20 | Jan Janostik v Oleg Amosov | W | 2-0 |
| Austrian Open - Calificari | 2021/05/27 14:00 | Filip Spoljarec v Jan Janostik | L | 2-0 |
| Polish Int. - Calificari | 2021/09/23 07:00 | Tadeas Brazda v Szymon Stokfisz | L | 1-2 |
| Lithuanian International - Calificari | 2021/06/10 14:40 | Adam Mcallister v Tadeas Brazda | L | 2-1 |
| Lithuanian International - Calificari | 2021/06/10 12:40 | Tadeas Brazda v Ramnish Kumar | W | 2-1 |
| Lithuanian International - Calificari | 2021/06/10 10:00 | Dimitri Jacquart v Tadeas Brazda | W | 1-2 |
| Slovenia International - Feminin | 2021/05/19 08:00 | Alexander Pedersen v Tadeas Brazda | L | 2-0 |
| Czech Open - Calificari | 2019/09/26 11:35 | Tadeas Brazda v Markus Barth | L | 0-2 |