| Slovenien - Future Series - Kvalifikation | 2023/09/07 09:20 | Sebastian Kadlec v Ivan Druzchenko | L | 0-2 |
| Lithuanian International - Kvalifikation | 2023/06/08 09:05 | Yegor Romaniuk v Sebastian Kadlec | L | 2-0 |
| Dutch International - Kvalifikation | 2023/04/13 08:50 | Marcus Viscovich v Sebastian Kadlec | L | 2-0 |
| Polish Open - Kvalifikation | 2023/03/22 09:45 | Sebastian Kadlec v Aaron Sonnenschein | L | 0-2 |
| Portugal Int. - Kvalifikation | 2023/03/08 12:10 | Sebastian Kadlec v Joonas Korhonen | L | 0-2 |
| Polish International - Kvalifikation | 2022/09/21 14:20 | Sebastian Kadlec v Kuan Lin Kuo | L | 0-2 |
| Polish International - Kvalifikation | 2022/09/21 07:40 | Sebastian Kadlec v Piotr Krajewski | W | 2-0 |
| Austrian Open - Kvalifikation | 2022/05/26 08:40 | Sebastian Kadlec v Christian Faust Kjaer | L | 0-2 |
| Polish International - Kvalifikation | 2023/09/21 10:20 | Kai Niederhuber v Arun Kumar Ashok Kumar | W | 2-0 |
| Polish International | 2023/09/21 10:00 | Kai Niederhuber v Aaron Sonnenschein | L | 1-2 |
| Polish International - Kvalifikation | 2023/09/21 07:40 | Kai Niederhuber v Maksymilian Krogulski | W | 2-0 |
| Slovenien - Future Series | 2023/09/08 08:45 | Jeppe Bruun Christensen v Kai Niederhuber | L | 2-1 |
| Bonn International - Kvalifikation | 2023/05/31 09:10 | Kai Niederhuber v David K Kristensen | L | 0-2 |
| Austrian Open - Kvalifikation | 2023/05/25 09:55 | Kai Niederhuber v Jia Jie Tan | L | 0-2 |
| Slovenia Open - Kvalifikation | 2023/05/17 16:45 | Kai Niederhuber v Yaro Van Delsen | L | 1-2 |
| Slovenia Open - Kvalifikation | 2023/05/17 09:10 | Kai Niederhuber v Adarsh Palani Kumar | W | 2-0 |