Round: 1
| Challenger Ochsenhausen | 2021/03/22 13:30 | Chtchetinine, Evgueni v Kuzmin, Fedor | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/10 09:30 | Chtchetinine, Evgueni v Kuzmin, Fedor | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/10 08:10 | Chtchetinine, Evgueni v Kuzmin, Fedor | L | 1-3 |
| Challenger Ochsenhausen | 2021/01/25 09:30 | Chtchetinine, Evgueni v Kuzmin, Fedor | L | 1-3 |
| Challenger Ochsenhausen | 2021/01/19 13:40 | Kuzmin, Fedor v Chtchetinine, Evgueni | L | 3-0 |
| Challenger Ochsenhausen | 2021/01/18 12:50 | Chtchetinine, Evgueni v Kuzmin, Fedor | W | 3-2 |
| Challenger Ochsenhausen | 2020/12/02 09:30 | Kuzmin, Fedor v Chtchetinine, Evgueni | W | 0-3 |
| Challenger Ochsenhausen | 2019/12/16 08:50 | Kuzmin, Fedor v Chtchetinine, Evgueni | W | 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 |
| Challenger Ochsenhausen | 2021/03/22 21:00 | Chtchetinine, Evgueni v Francisco Sanchi | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/22 16:20 | Chtchetinine, Evgueni v Peter Hribar | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/22 13:30 | Chtchetinine, Evgueni v Kuzmin, Fedor | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/22 09:50 | Semenov, Andrey v Chtchetinine, Evgueni | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/22 08:10 | Chtchetinine, Evgueni v Florian Bluhm | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/16 10:00 | Pekka Pelz v Chtchetinine, Evgueni | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/23 10:40 | Florian Bluhm v Kuzmin, Fedor | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 09:20 | Francisco Sanchi v Kuzmin, Fedor | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/22 19:00 | Peter Hribar v Kuzmin, Fedor | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/22 17:00 | Dennis Klein v Kuzmin, Fedor | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/22 13:30 | Chtchetinine, Evgueni v Kuzmin, Fedor | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/22 12:10 | Chamorro, Miguel v Kuzmin, Fedor | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/22 07:30 | Semenov, Andrey v Kuzmin, Fedor | W | 2-3 |
| Challenger Ochsenhausen | 2021/03/12 14:30 | Kuzmin, Fedor v Dauud Cheaib | L | 2-3 |