| Challenger - Ochsenhausen | 2021/04/19 16:00 | Daniel Rinderer v Dauud Cheaib | L | 0-3 |
| Challenger - Ochsenhausen | 2021/04/19 14:00 | Francisco Sanchi v Daniel Rinderer | L | 3-1 |
| Challenger - Ochsenhausen | 2021/04/19 10:30 | Jiri Martinko v Daniel Rinderer | L | 3-1 |
| Challenger - Ochsenhausen | 2021/04/19 07:50 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Dusseldorf Masters | 2020/08/14 17:20 | Cedric Meissner v Daniel Rinderer | L | 4-3 |
| Challenger - Ochsenhausen | 2021/04/19 16:40 | Francisco Sanchi v Josip Huzjak | W | 1-3 |
| Challenger - Ochsenhausen | 2021/04/19 14:40 | Jiri Martinko v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/04/19 09:50 | Dennis Klein v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/04/19 07:10 | Evgueni Chtchetinine v Josip Huzjak | W | 1-3 |
| Challenger - Ochsenhausen | 2021/04/13 09:00 | Dennis Klein v Josip Huzjak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/04/13 07:00 | Dauud Cheaib v Josip Huzjak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/04/12 18:40 | Florian Bluhm v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/04/12 16:40 | Josip Huzjak v Andrey Semenov | L | 2-3 |