| Challenger de Ochsenhausen | 2021/03/11 10:50 | Sven Happek v Dillon Chambers | L | 3-2 |
| Challenger de Ochsenhausen | 2021/01/28 07:30 | Sven Happek v Dillon Chambers | W | 0-3 |
| Challenger de Ochsenhausen | 2021/04/01 06:30 | Dillon Chambers v Jiri Martinko | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/31 11:10 | Dillon Chambers v Peter Hribar | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/31 08:30 | Dauud Cheaib v Dillon Chambers | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/12 09:30 | Evgueni Chtchetinine v Dillon Chambers | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/11 13:30 | Josip Huzjak v Dillon Chambers | L | 3-0 |
| Challenger de Ochsenhausen | 2021/03/11 10:50 | Sven Happek v Dillon Chambers | L | 3-2 |
| Challenger de Ochsenhausen | 2021/03/11 08:50 | Dimitrije Levajac v Dillon Chambers | W | 0-3 |
| Challenger de Ochsenhausen | 2021/03/10 13:30 | Dauud Cheaib v Dillon Chambers | L | 3-2 |
| Challenger de Ochsenhausen | 2021/03/31 13:10 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/31 09:50 | Josip Huzjak v Sven Happek | W | 2-3 |
| Challenger de Ochsenhausen | 2021/03/31 07:10 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger de Ochsenhausen | 2021/03/16 10:40 | Sven Happek v Jiri Martinko | L | 1-3 |
| Challenger de Ochsenhausen | 2021/03/16 08:00 | Sven Happek v Evgueni Chtchetinine | W | 3-0 |
| Challenger de Ochsenhausen | 2021/03/15 19:00 | Sven Happek v Erik Bottroff | L | 1-3 |
| Challenger de Ochsenhausen | 2021/03/15 16:20 | Pekka Pelz v Sven Happek | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/15 12:50 | Carlos Muhlbach v Sven Happek | L | 3-1 |