| Tjekkiet Open - Kvalifikation | 2022/10/20 13:25 | Ernesto Baschwitz v Kai Niederhuber | W | 0-2 |
| Croatia International - Kvalifikation | 2022/09/29 10:10 | Yaro Van Delsen v Kai Niederhuber | L | 2-1 |
| Austrian Open - Kvalifikation | 2022/05/26 16:25 | Ernesto Baschwitz v Kai Niederhuber | L | 2-0 |
| Austrian Open - Kvalifikation | 2022/05/26 13:45 | Kai Niederhuber v Aman Farogh Sanjay | W | 2-0 |
| Austrian Open - Kvalifikation | 2022/05/26 10:25 | Kai Niederhuber v Zoltan Kereszti | W | 2-0 |
| Slovenia International - Kvalifikation | 2022/05/18 08:20 | Charles Fouyn v Kai Niederhuber | L | 2-0 |
| Slovenien - Future Series - Kvalifikation | 2021/11/25 12:30 | Kai Niederhuber v Finn Achthoven | W | 2-0 |
| Lithuanian Int. | 2021/06/12 14:20 | B.R. Sankeerth v Kai Niederhuber | L | 2-0 |
| Tjekkiet Open - Kvalifikation | 2022/10/20 10:30 | Michal Walentek v Yan Kit Wong | W | 0-2 |
| Canada Open | 2022/09/28 00:20 | Kelvin Chong v Yan Kit Wong | L | 2-1 |
| Lithuanian International - Kvalifikation | 2022/06/09 07:10 | Yan Kit Wong v Alvaro Leal | L | 0-2 |