| Bonn Int. - Qualifikation | 2022/06/15 09:00 | Christopher Klauer v Michal Walentek | W | 2-0 |
| Luxembourg Open - Qualifikation | 2022/05/05 14:00 | Andreas Fleischer v Christopher Klauer | W | 0-2 |
| Luxembourg Open - Qualifikation | 2022/05/05 11:40 | Gregor Alic v Christopher Klauer | W | 1-2 |
| Luxembourg Open - Qualifikation | 2022/05/05 11:40 | Jonas Jaeger v Christopher Klauer | L | 2-0 |
| Swedish Open | 2022/01/21 08:20 | Christopher Klauer v Joakim Oldorff | L | 0-2 |
| Welsh Int Qual | 2021/12/01 11:55 | Christopher Klauer v Varun Kapur | L | 0-2 |
| Dutch Open - Qualifikation | 2021/10/13 11:40 | Martin Bundgaard v Christopher Klauer | L | 2-0 |
| Iceland International | 2020/01/26 09:40 | Christopher Klauer v Tomas Toledano | L | 0-2 |
| Lithuanian International | 2022/06/11 09:20 | Sulistio Tegar v Syabda Perkasa Belawa | L | 0-2 |
| Lithuanian International | 2022/06/10 09:45 | Siddharath Thakur v Sulistio Tegar | W | 1-2 |