| Denmark Masters Qual | 2023/06/08 08:35 | Wolfgang Gnedt v Marcus Viscovich | L | 2-0 |
| Austrian Open - Qualif. | 2023/05/25 11:15 | Naren Shankar Iyer v Marcus Viscovich | L | 2-0 |
| Open de Suède - Qualif. | 2023/05/11 11:40 | Filip Karlborg v Marcus Viscovich | L | 2-0 |
| Open de Suède - Qualif. | 2023/05/11 07:35 | Marcus Viscovich v Karl Kert | W | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 11:30 | Samuel Lee v Marcus Viscovich | L | 2-1 |
| Dutch Int. - Qualif. | 2023/04/13 08:50 | Marcus Viscovich v Sebastian Kadlec | W | 2-0 |
| International d'Islande | 2023/01/28 11:20 | Marcus Viscovich v Kholik, Firman Abdul | L | 1-2 |
| International d'Islande | 2023/01/27 14:15 | Karl Kert v Marcus Viscovich | W | 0-2 |