| Challenger Ochsenhausen | 2021/06/04 09:50 | Dennis Klein v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/19 15:20 | Evgueni Chtchetinine v Dennis Klein | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/13 13:00 | Dennis Klein v Evgueni Chtchetinine | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/12 20:00 | Dennis Klein v Evgueni Chtchetinine | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/08 09:10 | Evgueni Chtchetinine v Dennis Klein | W | 3-1 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/23 10:00 | Dennis Klein v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/01/26 11:20 | Dennis Klein v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/14 08:30 | Mathieu De Saintilan v Evgueni Chtchetinine | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/09 13:30 | Evgueni Chtchetinine v Snehit Suravajjula | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/09 11:25 | Fedor Kuzmin v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/09 10:30 | Andriy Sitak v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/08 12:30 | Evgueni Chtchetinine v Valerij Rakov | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/08 11:10 | Snehit Suravajjula v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/08 09:10 | Dwain Schwarzer v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/07 13:10 | Sven Happek v Evgueni Chtchetinine | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/14 06:30 | Sven Happek v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/29 14:40 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/29 12:35 | Dennis Klein v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/29 09:40 | Henning Zeptner v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/29 08:20 | Alexander Valuch v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/28 18:00 | Dauud Cheaib v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/28 16:00 | Josip Huzjak v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/28 12:30 | Christopher Ligocki v Dennis Klein | W | 1-3 |