| Challenger Ochsenhausen | 2021/11/11 08:50 | Evgueni Chtchetinine v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/10/15 09:50 | Evgueni Chtchetinine v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2021/09/30 08:30 | Sven Happek v Evgueni Chtchetinine | W | 3-2 |
| Challenger Ochsenhausen | 2021/07/16 11:40 | Sven Happek v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/15 10:30 | Sven Happek v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/07/07 13:10 | Sven Happek v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/16 08:00 | Sven Happek v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/12 13:50 | Sven Happek v Evgueni Chtchetinine | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/15 10:10 | Sven Happek v Josip Huzjak | L | 2-3 |
| Challenger Ochsenhausen | 2021/12/15 07:30 | Sven Happek v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/14 11:20 | Maciej Kubik v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/14 09:20 | Sven Happek v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/13 21:00 | Dennis Klein v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/13 18:20 | Kenan Hrnic v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2021/12/13 15:40 | Sven Happek v Damian Zech | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/13 11:30 | Sven Happek v Christopher Ligocki | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/15 10:50 | Evgueni Chtchetinine v Taehyun Kim | W | 3-1 |
| Challenger Ochsenhausen | 2021/12/15 08:50 | Evgueni Chtchetinine v Amir Hossein Hodaei | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/10 13:50 | Evgueni Chtchetinine v Liang Qiu | W | 3-1 |
| Challenger Ochsenhausen | 2021/12/10 12:25 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/10 10:50 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/10 08:50 | Florian Bluhm v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/12/09 12:10 | Evgueni Chtchetinine v Alexander Valuch | L | 2-3 |
| Challenger Ochsenhausen | 2021/12/09 08:50 | Evgueni Chtchetinine v Liang Qiu | L | 1-3 |