| 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 | 2021/03/12 07:30 | Sven Happek v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/10 10:10 | Sven Happek v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2020/11/20 10:50 | Sven Happek v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2021/09/29 11:50 | Sven Happek v Tal Israeli | W | 3-2 |
| Challenger Ochsenhausen | 2021/09/29 09:10 | Sven Happek v Miguel Vilchez | L | 0-3 |
| Challenger Ochsenhausen | 2021/09/29 06:30 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/16 11:40 | Sven Happek v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/16 10:05 | Andrei Putuntica v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/16 09:10 | Sven Happek v Andrei Putuntica | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/16 07:10 | Sven Happek v Alexander Valuch | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/15 10:30 | Sven Happek v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/09/29 13:10 | Evgueni Chtchetinine v Miguel Chamorro | W | 3-2 |
| Challenger Ochsenhausen | 2021/09/29 10:30 | Evgueni Chtchetinine v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/09/29 08:30 | Evgueni Chtchetinine v Carlo Rossi | L | 2-3 |
| Challenger Ochsenhausen | 2021/09/14 14:00 | Florian Bluhm v Evgueni Chtchetinine | L | 3-2 |
| Challenger Ochsenhausen | 2021/09/14 13:15 | David Reitspies v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/09/14 11:40 | Evgueni Chtchetinine v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/09/14 09:00 | Evgueni Chtchetinine v Florian Bluhm | W | 3-2 |
| Challenger Ochsenhausen | 2021/09/13 20:00 | Evgueni Chtchetinine v Niagol Stoyanov | W | 3-1 |