| Bonn Int. Qual | 2024/05/30 07:00 | Mathias Solgaard v Kai Niederhuber | L | 2-1 |
| Bonn Int. Qual | 2024/05/29 13:20 | Kai Niederhuber v Jing Yi Gavin Ng | W | 2-0 |
| Bonn Int. Qual | 2024/05/29 11:00 | Thomas Fourcade v Kai Niederhuber | W | 1-2 |
| Austrian Open Qual | 2024/05/23 13:05 | Kai Niederhuber v Eogene Ewe | L | 0-2 |
| Austrian Open Qual | 2024/05/23 09:05 | Tony Lindelof v Kai Niederhuber | W | 0-2 |
| Slovenia Open Quals | 2024/05/16 12:20 | Ansal Yadav v Kai Niederhuber | L | 2-1 |
| Slovenia Open Quals | 2024/05/16 11:40 | Kai Niederhuber v Koushiik C. S | W | 2-0 |
| Slovenia Open Quals | 2024/05/15 14:50 | Christian Tomic v Kai Niederhuber | W | 0-2 |
| Austrian Open Qual | 2024/05/23 09:05 | Richard Kuhl v Eogene Ewe | L | 0-2 |
| Finnish Int. Qual | 2024/04/25 10:40 | Richard Kuhl v Tim Mork | L | 0-2 |
| Finnish Int. Qual | 2024/04/25 07:20 | Richard Kuhl v Safin Emran | W | 2-1 |
| Malta Int. Qual | 2024/04/04 12:40 | Richard Kuhl v Lorrain Joliat | L | 1-2 |
| Swedish Open Qual | 2024/01/18 11:20 | Amaury Lievre v Richard Kuhl | L | 2-1 |
| Estonian Int. Qual | 2024/01/11 12:00 | Alvaro Leal v Richard Kuhl | L | 2-0 |
| Estonian Int. Qual | 2024/01/11 08:00 | Stanimir Terziev v Richard Kuhl | W | 0-2 |
| Spanish Int. Qual | 2023/11/14 08:35 | Iljo Van Delsen v Richard Kuhl | W | 1-2 |