| Challenger Ochsenhausen | 2021/11/29 16:20 | Taehyun Kim v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/29 12:50 | Patrik Juhasz v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/29 10:50 | Dauud Cheaib v Alexander Valuch | W | 3-2 |
| Challenger Ochsenhausen | 2021/11/29 08:50 | Dauud Cheaib v Florian Bluhm | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/16 15:40 | Andrei Putuntica v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/16 14:15 | Dauud Cheaib v Dennis Klein | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/16 11:20 | Andrei Putuntica v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/16 09:20 | Dauud Cheaib v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/29 17:00 | Florian Bluhm v Jonas Promberger | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/29 13:30 | Taehyun Kim v Jonas Promberger | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/29 12:10 | Andrei Putuntica v Jonas Promberger | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/29 07:30 | Patrik Juhasz v Jonas Promberger | L | 3-0 |
| Oman Open - női U21 | 2021/11/10 18:00 | Leo De Nodrest v Jonas Promberger | L | 4-1 |
| Oman Open - női U21 | 2021/11/10 13:50 | Nicolas Degros v Jonas Promberger | L | 4-0 |
| WTT Contender Lasko | 2021/11/02 10:20 | Zhe Yu Clarence Chew v Jonas Promberger | L | 3-0 |
| Czech Open | 2021/08/22 10:30 | Daniele Pinto v Jonas Promberger | L | 3-1 |