| Croatian Int. | 2024/09/26 12:00 | Carl Claesson v Sid Palakkal | L | 0-2 |
| Croatian Int. | 2024/09/26 10:00 | Carl Claesson v Mark Aronchik | W | 2-0 |
| Lithuanian Int. Quals | 2024/06/06 15:20 | Carl Claesson v Szymon Stokfisz | L | 0-2 |
| Lithuanian Int. Quals | 2024/06/06 10:40 | Lukasz Cimosz v Carl Claesson | W | 1-2 |
| Finnish Int. Qual | 2024/04/25 09:00 | Carl Claesson v Tauri Kilk | L | 0-2 |
| Swedish Open Qual | 2024/01/18 09:00 | Carl Claesson v Andre Irpola | L | 1-2 |
| Spanish Int. Qual | 2023/11/13 11:30 | Carl Claesson v Raphael Chenu | L | 0-2 |
| Norwegian Int. Qual | 2023/11/09 09:30 | Carl Claesson v Tauri Kilk | L | 0-2 |
| Slovenia Open Quals | 2024/05/16 08:00 | Bima Al Ayman Modjo v Leon Seiwald | L | 2-0 |
| Slovenia Open Quals | 2024/05/15 12:20 | Leon Seiwald v Aditya Patil | W | 2-0 |
| Slovak Open Qual | 2024/04/17 14:35 | Tauri Kilk v Leon Seiwald | L | 2-0 |
| Slovak Open Qual | 2024/04/17 07:45 | Leon Seiwald v James Robertson | W | 2-0 |
| Euro Mixed Team Champs | 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 Qual | 2020/02/19 12:15 | Leon Seiwald v Rahul Yadav Chittaboina | L | 1-2 |