| 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 |
| Oman Open U21 Women | 2021/11/12 11:40 | Vladimir Sidorenko v Adam Klajber | W | 3-4 |
| Oman Open U21 Women | 2021/11/11 15:35 | Irvin Bertrand v Adam Klajber | L | 4-1 |
| Oman Open U21 Women | 2021/11/10 18:00 | Maciej Kolodziejczyk v Adam Klajber | W | 3-4 |
| Oman Open U21 Women | 2021/11/10 13:50 | Patrik Juhasz v Adam Klajber | W | 0-4 |
| Oman Open U21 Women | 2021/11/10 10:30 | Vladislav Ursu v Adam Klajber | L | 4-2 |
| WTT Contender Lasko | 2021/11/01 13:35 | Adam Klajber v Maksim Grebnev | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/15 12:10 | Dennis Klein v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 07:30 | Guilherme Teodoro v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/05 10:50 | Miguel Chamorro v Amirreza Abbasi | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/05 08:10 | Miguel Chamorro v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/04 11:30 | Miguel Chamorro v Jonathan Thimon | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/04 08:10 | Miguel Chamorro v Amir Hossein Hodaei | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/03 13:30 | Miguel Chamorro v Javier Benito | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/03 10:10 | Eduardo Gonzales v Miguel Chamorro | W | 2-3 |