| Challenger Ochsenhausen | 2021/08/10 07:40 | Daniel Rinderer v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/25 11:00 | Daniel Rinderer v Dillon Chambers | L | 2-3 |
| Challenger Ochsenhausen | 2021/08/24 11:00 | Daniel Rinderer v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/08/24 07:40 | Daniel Rinderer v Amirreza Abbasi | L | 2-3 |
| Challenger Ochsenhausen | 2021/08/23 18:40 | Daniel Rinderer v Paul Lavergne | L | 2-3 |
| Challenger Ochsenhausen | 2021/08/23 17:20 | Daniel Rinderer v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/23 11:50 | Daniel Rinderer v Elia Schmid | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/23 09:10 | Daniel Rinderer v Josip Huzjak | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/23 06:30 | Daniel Rinderer v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/10 11:00 | Daniel Rinderer v Dauud Cheaib | L | 0-3 |
| WTT Contender Novo Mesto | 2021/11/09 08:00 | Amin Ahmadian v Dillon Chambers | L | 3-2 |
| WTT Contender Lasko | 2021/11/02 09:45 | Carlos Caballero v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/26 10:20 | Dillon Chambers v Simon Berglund | L | 0-3 |
| Challenger Ochsenhausen | 2021/10/25 18:00 | Dillon Chambers v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/10/25 15:20 | Josip Huzjak v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/10/25 11:50 | Liang Qiu v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/25 09:50 | Dillon Chambers v Valerij Rakov | W | 3-1 |
| Challenger Ochsenhausen | 2021/10/25 07:50 | Dillon Chambers v Elia Schmid | L | 0-3 |