| Challenger - Ochsenhausen | 2021/11/15 16:20 | Adam Klajber v Andrei Putuntica | L | 1-3 |
| Challenger - Ochsenhausen | 2021/11/15 13:30 | Adam Klajber v Miguel Chamorro | L | 0-3 |
| Challenger - Ochsenhausen | 2021/11/15 10:10 | Guilherme Teodoro v Adam Klajber | L | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 08:10 | Adam Klajber v Evgueni Chtchetinine | L | 0-3 |
| U21 - Oman Open - Damen | 2021/11/12 11:40 | Vladimir Sidorenko v Adam Klajber | W | 3-4 |
| U21 - Oman Open - Damen | 2021/11/11 15:35 | Irvin Bertrand v Adam Klajber | L | 4-1 |
| U21 - Oman Open - Damen | 2021/11/10 18:00 | Maciej Kolodziejczyk v Adam Klajber | W | 3-4 |
| U21 - Oman Open - Damen | 2021/11/10 13:50 | Patrik Juhasz v Adam Klajber | W | 0-4 |
| Challenger - Ochsenhausen | 2021/11/15 18:20 | Guilherme Teodoro v Dauud Cheaib | W | 2-3 |
| Challenger - Ochsenhausen | 2021/11/15 15:40 | Dauud Cheaib v Evgueni Chtchetinine | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 11:30 | Dauud Cheaib v Sudhanshu Grover | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | W | 3-1 |
| Challenger - Ochsenhausen | 2021/11/12 13:10 | Dauud Cheaib v Simon Berglund | L | 1-3 |
| Challenger - Ochsenhausen | 2021/11/12 11:05 | Dauud Cheaib v Alexander Valuch | W | 3-2 |
| Challenger - Ochsenhausen | 2021/11/12 10:10 | Dauud Cheaib v Evgueni Chtchetinine | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/12 08:10 | Dauud Cheaib v Florian Bourrassaud | W | 3-2 |