| Challenger Series TT | 2022/10/03 06:30 | Dennis Klein v Kenan Hrnic | W | 3-0 |
| Challenger Series TT | 2022/09/30 13:30 | Florian Bluhm v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/09/30 11:50 | Rafael De Las Heras v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/09/30 09:50 | Dennis Klein v Sushmit Sriram | L | 1-3 |
| Challenger Series TT | 2022/09/30 06:30 | Dennis Klein v Rafael De Las Heras | W | 3-0 |
| Challenger Series TT | 2022/09/29 17:50 | Dennis Klein v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2022/09/29 16:30 | Dennis Klein v Patrik Juhasz | L | 0-3 |
| Challenger Series TT | 2022/09/29 11:50 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/10/03 07:10 | Denis Dorcescu v Florian Bourrassaud | L | 1-3 |
| ITTF Finland Open | 2021/12/03 13:10 | Anton Limonov v Denis Dorcescu | L | 3-0 |