| Dusseldorf Masters | 2020/07/10 15:30 | Nils Hohmeier v Dennis Klein | L | 4-1 |
| Polish Open | 2020/03/11 13:00 | Dennis Klein v Marco Golla | W | 3-0 |
| German Open | 2020/01/28 09:15 | Dennis Klein v Daniel Gonzalez | W | 4-1 |
| German Open | 2019/10/08 11:00 | Wang-Wei Peng v Dennis Klein | L | 4-1 |
| Serbia Open | 2019/05/02 09:35 | Dennis Klein v Jakub Zelinka | W | 3-1 |
| Serbia Open | 2019/05/01 15:40 | Dennis Klein v Yuriy Nadolnyy | W | 3-1 |
| Czech Extraleague | 2019/03/23 13:25 | Par Gerell v Dennis Klein | L | 4-1 |
| Czech Extraleague | 2019/03/22 13:30 | Dennis Klein v Felipe Olivares | W | 4-1 |
| Challenger Ochsenhausen | 2020/12/18 10:10 | Miguel Chamorro v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2020/12/18 07:30 | Miguel Chamorro v Koyo Kanamitsu | L | 2-3 |
| Challenger Ochsenhausen | 2020/12/17 10:50 | Florian Bluhm v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2020/12/17 08:10 | Dauud Cheaib v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2020/12/16 12:50 | Miguel Chamorro v Liang Qiu | L | 1-3 |
| Challenger Ochsenhausen | 2020/12/16 10:50 | Miguel Chamorro v Dimitrije Levajac | L | 2-3 |
| Challenger Ochsenhausen | 2020/12/16 08:50 | Miguel Chamorro v Jonathan Thimon | W | 3-1 |
| Challenger Ochsenhausen | 2020/12/15 12:00 | Carlos Muhlbach v Miguel Chamorro | L | 3-0 |