Round: 1
| Challenger Ochsenhausen | 2021/03/10 11:30 | Evgueni Chtchetinine v Dimitrije Levajac | W | 3-1 |
| Challenger Ochsenhausen | 2021/04/07 11:10 | Evgueni Chtchetinine v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/07 08:30 | Jiri Martinko v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/23 15:00 | Florian Bluhm v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/23 14:15 | Evgueni Chtchetinine v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 10:00 | Evgueni Chtchetinine v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/22 21:00 | Evgueni Chtchetinine v Francisco Sanchi | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/22 16:20 | Evgueni Chtchetinine v Peter Hribar | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/07 10:30 | Jiri Martinko v Dimitrije Levajac | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/07 07:50 | Carlos Muhlbach v Dimitrije Levajac | W | 0-3 |
| Challenger Ochsenhausen | 2021/04/06 14:00 | Dimitrije Levajac v Carlos Muhlbach | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/06 12:35 | Jiri Martinko v Dimitrije Levajac | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/06 09:00 | Carlos Muhlbach v Dimitrije Levajac | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/06 07:00 | Dauud Cheaib v Dimitrije Levajac | W | 0-3 |
| Challenger Ochsenhausen | 2021/04/05 18:40 | Pekka Pelz v Dimitrije Levajac | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/05 16:40 | Dimitrije Levajac v Jiri Martinko | L | 2-3 |