| Austrian Open - Kval | 2021/05/27 10:00 | Samuel Cassar v Karl Kert | W | 0-2 |
| Slovenia Int. | 2021/05/20 12:00 | Ivan Rusev v Karl Kert | L | 2-0 |
| Portuguese Int. Qual | 2021/05/06 12:00 | Martin Bundgaard v Karl Kert | L | 2-1 |
| Portuguese Int. Qual | 2021/05/06 08:20 | Alvaro Leal v Karl Kert | W | 0-2 |
| Polish Open - Kval | 2021/03/25 17:10 | Carlos Piris v Karl Kert | L | 2-0 |
| Polish Open - Kval | 2021/03/25 09:00 | Karl Kert v Camilo Borst | W | 2-0 |
| Lettland - Int. | 2020/08/30 08:00 | Hans-Kristjan Pilve v Karl Kert | L | 2-1 |
| Lettland - Int. | 2020/08/29 15:00 | Tauri Kilk v Karl Kert | W | 0-2 |
| Austrian Open - Kval | 2021/05/27 10:10 | Enogat Roy v Magnus Johannesen | W | 0-2 |
| Spain Masters | 2021/05/20 12:30 | Mads Christophersen v Magnus Johannesen | L | 2-0 |
| Spain Masters | 2021/05/19 12:00 | Magnus Johannesen v Johnnie Torjussen | W | 2-0 |
| Portuguese Int. | 2021/05/08 09:00 | Magnus Johannesen v Max Weisskirchen | L | 0-2 |
| Portuguese Int. | 2021/05/07 15:30 | Magnus Johannesen v Alex Lanier | W | 2-0 |
| Portuguese Int. Qual | 2021/05/07 09:00 | Magnus Johannesen v Fabian Roth | W | 2-0 |
| Portuguese Int. Qual | 2021/05/06 17:00 | Brian Holtschke v Magnus Johannesen | W | 0-2 |
| Portuguese Int. Qual | 2021/05/06 12:40 | Magnus Johannesen v Joel Koenig | W | 2-0 |