| 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 | 2022/02/24 17:30 | Sven Happek v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2022/02/24 12:50 | Sven Happek v Amirreza Abbasi | L | 1-3 |
| Challenger Series TT | 2022/02/24 10:10 | Sven Happek v Matteo Mutti | L | 1-3 |
| Challenger Series TT | 2022/02/24 07:30 | Sven Happek v Daniel Rinderer | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/11 08:50 | Jakub Seibert v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2022/02/11 08:10 | Eric Jouti v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2022/02/10 17:30 | Sanil Shetty v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2022/02/10 15:30 | Florian Bluhm v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/02/24 16:50 | Dillon Chambers v Alessandro Di Marino | W | 3-2 |
| Challenger Series TT | 2022/02/24 14:10 | Dillon Chambers v Josip Huzjak | L | 2-3 |
| Challenger Series TT | 2022/02/24 12:10 | Dillon Chambers v Daniel Rinderer | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/24 09:30 | Alexander Valuch v Dillon Chambers | W | 1-3 |
| 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 |