| Challenger - Ochsenhausen | 2021/10/15 12:50 | Andriy Sitak v Amirreza Abbasi | L | 1-3 |
| Challenger - Ochsenhausen | 2021/10/15 11:25 | Dauud Cheaib v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/15 08:30 | Andrei Putuntica v Andriy Sitak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/14 12:30 | Cedric Tschanz v Andriy Sitak | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/14 09:50 | Dauud Cheaib v Andriy Sitak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/14 07:50 | Sven Happek v Andriy Sitak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/10/13 12:30 | Evgueni Chtchetinine v Andriy Sitak | W | 2-3 |
| Challenger - Ochsenhausen | 2021/10/13 11:10 | Amirreza Abbasi v Andriy Sitak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/11/16 12:00 | Guilherme Teodoro v Evgueni Chtchetinine | L | 2-3 |
| Challenger - Ochsenhausen | 2021/11/16 08:40 | Guilherme Teodoro v Sudhanshu Grover | W | 3-1 |
| Challenger - Ochsenhausen | 2021/11/15 19:40 | Guilherme Teodoro v Dennis Klein | L | 1-3 |
| Challenger - Ochsenhausen | 2021/11/15 18:20 | Guilherme Teodoro v Dauud Cheaib | L | 2-3 |
| Challenger - Ochsenhausen | 2021/11/15 12:50 | Guilherme Teodoro v Andrei Putuntica | L | 0-3 |
| Challenger - Ochsenhausen | 2021/11/15 10:10 | Guilherme Teodoro v Adam Klajber | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 07:30 | Guilherme Teodoro v Miguel Chamorro | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/02 13:30 | Amirreza Abbasi v Guilherme Teodoro | L | 3-2 |