| Challenger Ochsenhausen | 2021/03/12 12:25 | Fedor Kuzmin v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/12 10:10 | Sven Happek v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/12 10:10 | Sven Happek v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2020/01/08 08:10 | Fedor Kuzmin v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2019/11/21 10:50 | Fedor Kuzmin v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2019/07/15 16:40 | Fedor Kuzmin v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2019/07/01 15:20 | Sven Happek v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2019/04/08 19:20 | Sven Happek v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/18 07:10 | Sven Happek v Harmeet Desai | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/17 10:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/17 07:10 | Sven Happek v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/16 12:30 | Sven Happek v Christopher Ligocki | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/16 09:10 | Henning Zeptner v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/16 07:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/01 12:30 | Sven Happek v Peter Hribar | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/01 11:10 | Jiri Martinko v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/18 07:50 | Henning Zeptner v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/17 11:10 | Fedor Kuzmin v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/17 07:50 | Fedor Kuzmin v Christopher Ligocki | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/17 06:30 | Harmeet Desai v Fedor Kuzmin | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/16 10:30 | Miguel Chamorro v Fedor Kuzmin | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/16 07:50 | Samuel Amann v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/04 10:30 | Christopher Ligocki v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/03 12:30 | Fedor Kuzmin v Samuel Amann | W | 3-0 |