| Challenger Ochsenhausen | 2021/04/01 09:10 | Dillon Chambers v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/11 10:50 | Sven Happek v Dillon Chambers | W | 3-2 |
| Challenger Ochsenhausen | 2021/01/28 07:30 | Sven Happek v Dillon Chambers | L | 0-3 |
| Challenger Ochsenhausen | 2022/01/28 13:50 | Evgueni Chtchetinine v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2022/01/28 13:05 | Alexander Valuch v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2022/01/28 11:30 | Sven Happek v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2022/01/28 08:50 | Sven Happek v Tal Israeli | L | 0-3 |
| Challenger Ochsenhausen | 2022/01/27 20:10 | Sven Happek v Alexander Valuch | L | 1-3 |
| Challenger Ochsenhausen | 2022/01/27 15:30 | Sven Happek v Richard Lukacs | W | 3-0 |
| Challenger Ochsenhausen | 2022/01/27 13:30 | Sven Happek v Alessandro Baciocchi | L | 2-3 |
| Challenger Ochsenhausen | 2022/01/27 10:10 | Luca Bressan v Sven Happek | W | 0-3 |
| WTT Feeder Dusseldorf | 2022/01/17 15:00 | Pedro Osiro v Dillon Chambers | L | 3-0 |
| WTT Feeder Dusseldorf | 2022/01/12 11:30 | Dillon Chambers v Lleyton Ullmann | L | 2-3 |
| Challenger Ochsenhausen | 2022/01/04 13:50 | Dillon Chambers v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2022/01/04 12:25 | Josip Huzjak v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2022/01/04 11:30 | Samuel Amann v Dillon Chambers | W | 0-3 |
| Challenger Ochsenhausen | 2022/01/04 07:30 | Kenan Hrnic v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2022/01/03 19:30 | Dillon Chambers v Josip Huzjak | L | 0-3 |
| Challenger Ochsenhausen | 2022/01/03 16:10 | Dillon Chambers v Lukas Bosbach | W | 3-0 |