| Challenger Series TT | 2021/02/16 12:15 | Dennis Klein v Francisco Sanchi | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/16 09:20 | Francisco Sanchi v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2021/01/28 11:30 | Dennis Klein v Francisco Sanchi | W | 3-0 |
| Challenger Ochsenhausen | 2021/01/25 08:50 | Dennis Klein v Francisco Sanchi | W | 3-0 |
| Challenger Ochsenhausen | 2021/02/26 07:30 | Dennis Klein v Miguel Chamorro | W | 3-1 |
| Challenger Ochsenhausen | 2021/02/25 10:50 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/25 08:10 | Liang Qiu v Dennis Klein | L | 3-0 |
| Challenger Ochsenhausen | 2021/02/24 12:50 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/02/24 10:50 | Dennis Klein v Nico Wenger | W | 3-0 |
| Challenger Ochsenhausen | 2021/02/24 08:50 | Dennis Klein v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/23 12:40 | Dennis Klein v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2021/02/23 10:00 | Dennis Klein v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/26 08:10 | Liang Qiu v Francisco Sanchi | L | 3-1 |
| Challenger Ochsenhausen | 2021/02/25 12:50 | Sven Happek v Francisco Sanchi | W | 0-3 |
| Challenger Ochsenhausen | 2021/02/25 10:10 | Francisco Sanchi v Nico Wenger | W | 3-0 |
| Challenger Ochsenhausen | 2021/02/25 07:30 | Francisco Sanchi v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/24 12:10 | Francisco Sanchi v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/24 09:30 | Miguel Chamorro v Francisco Sanchi | W | 0-3 |
| Challenger Ochsenhausen | 2021/02/16 14:20 | Francisco Sanchi v Jiri Martinko | L | 1-3 |
| Challenger Series TT | 2021/02/16 12:15 | Dennis Klein v Francisco Sanchi | W | 1-3 |