| 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 | 2020/10/22 11:50 | Sven Happek v Evgueni Chtchetinine | L | 0-3 |
| Challenger Ochsenhausen | 2020/07/20 14:00 | Evgueni Chtchetinine v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2020/07/01 09:50 | Evgueni Chtchetinine v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2020/06/22 12:20 | Evgueni Chtchetinine v Sven Happek | W | 3-4 |
| Challenger Ochsenhausen | 2020/06/10 12:20 | Evgueni Chtchetinine v Sven Happek | W | 1-4 |
| Challenger Ochsenhausen | 2020/06/03 14:10 | Sven Happek v Evgueni Chtchetinine | W | 4-0 |
| Challenger Ochsenhausen | 2021/03/11 10:50 | Sven Happek v Dillon Chambers | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/11 08:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/10 12:50 | Jonathan Thimon v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/10 10:50 | Sven Happek v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2021/03/10 08:50 | Sven Happek v Dimitrije Levajac | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/26 11:30 | Sven Happek v Nico Wenger | W | 3-0 |
| Challenger Ochsenhausen | 2021/02/26 08:50 | Sven Happek v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/25 12:50 | Sven Happek v Francisco Sanchi | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/11 11:30 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/11 09:30 | Jonathan Thimon v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/10 14:10 | Evgueni Chtchetinine v Josip Huzjak | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/10 11:30 | Evgueni Chtchetinine v Dimitrije Levajac | W | 3-1 |
| Challenger Ochsenhausen | 2021/03/10 09:30 | Evgueni Chtchetinine v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/02 10:00 | Liang Qiu v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/02 08:00 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/01 19:40 | Stanislav Kucera v Evgueni Chtchetinine | W | 2-3 |