| Challenger Ochsenhausen | 2021/10/15 09:50 | Evgueni Chtchetinine v Sven Happek | L | 1-3 |
| Challenger Ochsenhausen | 2021/09/30 08:30 | Sven Happek v Evgueni Chtchetinine | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/16 11:40 | Sven Happek v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/15 10:30 | Sven Happek v Evgueni Chtchetinine | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/07 13:10 | Sven Happek v Evgueni Chtchetinine | W | 2-3 |
| Challenger Ochsenhausen | 2021/03/16 08:00 | Sven Happek v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/12 13:50 | Sven Happek v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/12 07:30 | Sven Happek v Evgueni Chtchetinine | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/11 07:30 | Florian Bourrassaud v Evgueni Chtchetinine | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/10 11:30 | Alexander Valuch v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/10 08:50 | John Oyebode v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/11/05 11:30 | Eduardo Gonzales v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/04 13:30 | Evgueni Chtchetinine v Javier Benito | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/04 12:10 | Amirreza Abbasi v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/04 10:10 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/03 14:10 | Jonathan Thimon v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/10 13:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/10 12:10 | Florian Bourrassaud v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/10 07:30 | Liang Qiu v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/29 10:30 | Sven Happek v Xavier Dixon | W | 3-1 |
| Challenger Ochsenhausen | 2021/10/29 07:50 | Sven Happek v Sourav Saha | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/28 11:50 | Sven Happek v Paul Gauzy | L | 1-3 |
| Challenger Ochsenhausen | 2021/10/28 08:30 | Sven Happek v Alexander Valuch | L | 2-3 |
| Challenger Ochsenhausen | 2021/10/27 11:50 | Sven Happek v Florian Bluhm | L | 1-3 |