| Polish Int. Qual | 2021/09/23 07:00 | Soren Hald v Tonni Zhou | L | 2-0 |
| Hellas Int. Qual | 2021/09/02 15:30 | Tonni Zhou v Sacha Leveque | L | 0-2 |
| Hellas Int. Qual | 2021/09/02 06:30 | Stamatis Tsigirdakis v Tonni Zhou | W | 0-2 |
| Latvia Int. Qual | 2021/08/27 07:00 | Tonni Zhou v Jing Hong Kok | L | 0-2 |
| Latvia Int. Qual | 2021/08/26 15:30 | Calle Fredholm v Tonni Zhou | W | 0-2 |
| Latvia Int. Qual | 2021/08/26 09:20 | Tonni Zhou v Andrei Schmidt | W | 2-0 |
| Slovenia Int. Qual | 2021/05/19 10:30 | Robin Mesman v Tonni Zhou | L | 2-1 |
| Polish Int. Qual | 2021/09/23 10:30 | Rudiger Gnedt v Maksymilian Danielak | L | 0-2 |
| Austrian Open Qual | 2021/05/27 13:40 | Alex Lanier v Rudiger Gnedt | L | 2-0 |
| Austrian Open Qual | 2021/05/27 09:05 | Rudiger Gnedt v Tobias Rudolf | W | 2-0 |
| Slovenia Int. | 2021/05/20 12:00 | Rudiger Gnedt v Thomas Fourcade | L | 0-2 |
| Bulgarian Int. | 2020/10/02 07:40 | Oleksandar Shmundyak v Rudiger Gnedt | L | 2-1 |
| SaarLorLux Open | 2019/10/30 18:00 | Rudiger Gnedt v Yu Hsien Lin | L | 0-2 |
| SaarLorLux Open | 2019/10/29 18:20 | Thomas Fuchs v Rudiger Gnedt | W | 0-2 |
| SaarLorLux Open Qual | 2019/10/29 12:35 | Rudiger Gnedt v Mattias Sonderskov | W | 1-0 |