| Challenger - Ochsenhausen | 2021/06/28 16:00 | Josip Huzjak v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/31 11:50 | Josip Huzjak v Dennis Klein | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/25 08:20 | Josip Huzjak v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/11 07:40 | Dennis Klein v Josip Huzjak | W | 3-2 |
| Challenger - Ochsenhausen | 2021/04/19 09:50 | Dennis Klein v Josip Huzjak | W | 3-0 |
| Challenger - Ochsenhausen | 2021/04/13 09:00 | Dennis Klein v Josip Huzjak | W | 3-2 |
| Challenger - Ochsenhausen | 2021/02/23 12:40 | Dennis Klein v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/02/15 18:20 | Josip Huzjak v Dennis Klein | W | 1-3 |
| 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 |
| Challenger - Ochsenhausen | 2021/06/28 11:10 | Andrey Semenov v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/28 06:30 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger - Ochsenhausen | 2021/06/11 13:30 | Carlos Muhlbach v Dennis Klein | L | 3-2 |
| Challenger - Ochsenhausen | 2021/06/29 11:40 | Christopher Ligocki v Josip Huzjak | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/29 07:40 | Liang Qiu v Josip Huzjak | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/28 19:20 | Josip Huzjak v Henning Zeptner | W | 3-2 |
| Challenger - Ochsenhausen | 2021/06/28 16:00 | Josip Huzjak v Dennis Klein | L | 1-3 |
| Challenger - Ochsenhausen | 2021/06/28 14:00 | Andrey Semenov v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/28 10:30 | Alexander Valuch v Josip Huzjak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/28 07:50 | Dauud Cheaib v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/15 09:00 | Samuel Amann v Josip Huzjak | W | 0-3 |