| Bulgarian Int | 2021/10/08 13:35 | Valentin Singer v Jia Wei Tan | L | 0-2 |
| Bulgarian Int | 2021/10/08 08:30 | Valentin Singer v Adam Dolman | W | 2-0 |
| Hellas Int. | 2021/09/03 08:55 | Valentin Singer v Wyman Goh | L | 0-2 |
| Latvia Int. | 2021/08/27 12:30 | Nicolas A. Mueller v Valentin Singer | L | 2-1 |
| Orleans Masters - Kwalifikacje | 2021/03/23 09:40 | Yanis Gaudin v Valentin Singer | L | 2-0 |
| Portuguese Int. | 2020/11/06 13:35 | Luis Enrique Penalver v Valentin Singer | L | 2-1 |
| Swedish Open - Kwalifikacje | 2020/01/16 09:00 | Peter Roenn Stensaeth v Valentin Singer | W | 0-2 |
| Estonian Int. - Kwalifikacje | 2020/01/09 08:30 | Valentin Singer v Alvaro Vazquez | L | 0-2 |
| Polish Int. - Kwalifikacje | 2021/09/23 11:00 | Gustav Andree v Michał Walentek | L | 2-0 |
| Lithuanian Int. | 2021/06/11 11:30 | Michał Walentek v Cristian Savin | L | 1-2 |
| Austrian Open - Kwalifikacje | 2021/05/27 10:10 | David K Kristensen v Michał Walentek | L | 2-0 |
| Polish Open - Kwalifikacje | 2021/03/25 12:00 | Dimitar Yanakiev v Michał Walentek | L | 2-0 |
| Slovak Open Qual | 2020/02/26 09:55 | Michał Walentek v Alexander Rydstrom | L | 1-2 |
| Iceland Int. - Kwalifikacje | 2020/01/23 15:00 | Michał Walentek v Mads Juel Moller | L | 0-2 |
| Iceland Int. - Kwalifikacje | 2020/01/23 09:00 | Michał Walentek v David Orn Hardarson | W | 2-0 |
| Estonian Int. - Kwalifikacje | 2020/01/09 09:00 | Justus Kilpi v Michał Walentek | L | 2-0 |