Round: 1
| Challenger Ochsenhausen | 2021/03/23 10:00 | Chtchetinine, Evgueni v Chamorro, Miguel | W | 2-3 |
| Challenger Ochsenhausen | 2020/12/14 15:40 | Chtchetinine, Evgueni v Chamorro, Miguel | L | 3-0 |
| Challenger Ochsenhausen | 2020/11/25 11:30 | Chamorro, Miguel v Chtchetinine, Evgueni | W | 3-1 |
| Challenger Ochsenhausen | 2020/07/01 11:50 | Chamorro, Miguel v Chtchetinine, Evgueni | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/08 08:30 | Chamorro, Miguel v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/07 11:50 | Chamorro, Miguel v Carlos Muhlbach | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/07 09:10 | Chamorro, Miguel v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/07 06:30 | Chamorro, Miguel v Chambers, Dillon | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 10:00 | Chtchetinine, Evgueni v Chamorro, Miguel | W | 2-3 |
| Challenger Ochsenhausen | 2021/03/23 08:00 | Peter Hribar v Chamorro, Miguel | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/22 19:40 | Semenov, Andrey v Chamorro, Miguel | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/22 17:40 | Chamorro, Miguel v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/08 09:10 | Chtchetinine, Evgueni v Dennis Klein | W | 3-1 |
| Challenger Ochsenhausen | 2021/04/08 06:30 | Chtchetinine, Evgueni v Dimitrije Levajac | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/07 11:10 | Chtchetinine, Evgueni v Chambers, Dillon | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/07 08:30 | Jiri Martinko v Chtchetinine, Evgueni | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/23 15:00 | Florian Bluhm v Chtchetinine, Evgueni | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/23 14:15 | Chtchetinine, Evgueni v Kuzmin, Fedor | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Chtchetinine, Evgueni v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 10:00 | Chtchetinine, Evgueni v Chamorro, Miguel | L | 2-3 |