| Iceland Int. | 2023/01/27 14:15 | Karl Kert v Marcus Viscovich | W | 0-2 |
| Hungarian Int. Qual | 2022/11/02 19:05 | Karl Kert v Marcus Viscovich | W | 0-2 |
| Dutch Int. Qual | 2023/04/13 11:30 | Samuel Lee v Marcus Viscovich | L | 2-1 |
| Dutch Int. Qual | 2023/04/13 08:50 | Marcus Viscovich v Sebastian Kadlec | W | 2-0 |
| Iceland Int. | 2023/01/28 11:20 | Marcus Viscovich v Firman Abdul Kholik | L | 1-2 |
| Iceland Int. | 2023/01/27 14:15 | Karl Kert v Marcus Viscovich | W | 0-2 |
| Iceland Int. Qual | 2023/01/26 16:00 | Gal Bizjak v Marcus Viscovich | W | 0-2 |
| Iceland Int. Qual | 2023/01/26 11:30 | James Robertson v Marcus Viscovich | W | 0-2 |
| Welsh Int. Qual | 2022/11/30 11:20 | Nicolas A. Mueller v Marcus Viscovich | W | 0-2 |
| Hungarian Int. Qual | 2022/11/03 09:10 | Chi Ting Chen v Marcus Viscovich | L | 2-1 |
| Polish Open Qual | 2023/03/22 16:10 | Daniel S Farid v Karl Kert | L | 2-1 |
| Polish Open Qual | 2023/03/22 08:25 | Camilo Borst v Karl Kert | W | 0-2 |
| Iceland Int. | 2023/01/27 14:15 | Karl Kert v Marcus Viscovich | L | 0-2 |
| Estonian Int. Qual | 2023/01/12 10:55 | Iikka Heino v Karl Kert | L | 2-0 |
| Estonian Int. Qual | 2023/01/12 07:20 | Karl Kert v Mykhailo Vyshnevyi | W | 2-1 |
| Irish Open Qual | 2022/11/16 09:35 | Johnnie Torjussen v Karl Kert | L | 2-0 |
| Hungarian Int. Qual | 2022/11/02 19:05 | Karl Kert v Marcus Viscovich | L | 0-2 |
| Latvia Int. | 2022/09/03 07:40 | Karl Kert v Enogat Roy | L | 1-2 |