| Slovenia International - Feminin | 2021/05/19 15:10 | Jan Janostik v Leo Van Gysel | L | 0-2 |
| Slovenia International - Feminin | 2021/05/19 08:45 | Matthias Schnabel v Jan Janostik | W | 0-2 |
| Campionatul European pe Echipe Mixte | 2020/12/10 17:30 | Milan Ludik v Leon Seiwald | W | 0-2 |
| SaarLorLux Open | 2020/10/27 09:00 | Leon Seiwald v Kim Bruun | L | 0-2 |
| Slovak Open | 2020/02/27 15:30 | Jan Louda v Leon Seiwald | L | 2-0 |
| Austrian Open - Calificari | 2020/02/19 12:15 | Leon Seiwald v Rahul Yadav Chittaboina | L | 1-2 |
| Campionatul European pe Echipe | 2020/02/13 18:00 | Leon Seiwald v Joshua Magee | W | 2-1 |
| Campionatul European pe Echipe | 2020/02/12 19:00 | Leon Seiwald v Mateusz Dubowski | W | 2-1 |
| Scottish Open - Calificari | 2019/11/21 12:40 | Christo Popov v Leon Seiwald | L | 2-0 |
| Scottish Open - Calificari | 2019/11/21 10:00 | Leon Seiwald v Sam Parsons | W | 2-1 |