| Austrian Open Qual | 2021/05/27 10:30 | Fabian Roth v Mateusz Danielak | L | 2-0 |
| Slovenia Int. | 2021/05/20 10:40 | Mateusz Danielak v Matthias Kicklitz | L | 0-2 |
| Slovak Open Qual | 2020/02/26 15:25 | Tomas Toledano v Mateusz Danielak | L | 2-0 |
| Slovak Open Qual | 2020/02/26 11:25 | Jesper Paul v Mateusz Danielak | W | 1-2 |
| Estonian Int. Qual | 2020/01/09 15:20 | Mateusz Danielak v Samuel Hsiao | L | 0-2 |
| Estonian Int. Qual | 2020/01/09 11:50 | Tauri Kilk v Mateusz Danielak | W | 0-2 |
| Estonian Int. Qual | 2020/01/09 08:40 | Ernesto Baschwitz v Mateusz Danielak | W | 1-2 |
| Cyprus Int. | 2019/10/12 07:30 | Alex Lane v Mateusz Danielak | L | 2-0 |
| Lithuanian Int. Qual | 2021/06/10 16:30 | Jan Janostik v Gregoire Deschamp | L | 1-2 |
| Lithuanian Int. Qual | 2021/06/10 14:00 | Viacheslav Yakovlev v Jan Janostik | W | 0-2 |
| Lithuanian Int. Qual | 2021/06/10 12:20 | Jan Janostik v Oleg Amosov | W | 2-0 |
| Austrian Open Qual | 2021/05/27 14:00 | Filip Spoljarec v Jan Janostik | L | 2-0 |
| Slovenia Int. Qual | 2021/05/19 15:10 | Jan Janostik v Leo Van Gysel | L | 0-2 |
| Slovenia Int. Qual | 2021/05/19 08:45 | Matthias Schnabel v Jan Janostik | W | 0-2 |