| Challenger Ochsenhausen | 2022/05/19 10:30 | Sven Happek v Dillon Chambers | L | 1-3 |
| Challenger Ochsenhausen | 2022/05/12 11:10 | Dillon Chambers v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/02/24 18:50 | Sven Happek v Dillon Chambers | L | 1-3 |
| 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 Series TT | 2023/01/12 15:30 | Sven Happek v Josip Huzjak | L | 2-3 |
| Challenger Series TT | 2023/01/12 13:30 | Sven Happek v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2023/01/12 10:10 | Damian Zech v Sven Happek | W | 1-3 |
| Challenger Series TT | 2023/01/12 08:10 | Sven Happek v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/10 08:50 | Yongyin Li v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 20:50 | Kestutis Zeimys v Sven Happek | W | 2-3 |
| Challenger Series TT | 2023/01/09 18:50 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 16:50 | Sven Happek v Jean Rassouw | W | 3-1 |
| Challenger Series TT | 2023/01/12 17:30 | Damian Zech v Dillon Chambers | L | 3-0 |
| Challenger Series TT | 2023/01/12 14:50 | Dillon Chambers v Jean Rassouw | W | 3-2 |
| Challenger Series TT | 2023/01/12 11:30 | Dillon Chambers v Bohdan Sinkevych | L | 1-3 |
| Challenger Series TT | 2023/01/12 09:30 | Dillon Chambers v Aljaz Godec | W | 3-2 |
| WTT Feeder Dusseldorf | 2022/11/22 09:45 | Dillon Chambers v John Oyebode | L | 2-3 |
| Challenger Series TT | 2022/11/11 08:50 | Karl Zimmermann v Dillon Chambers | L | 3-0 |
| Challenger Series TT | 2022/11/10 20:50 | Jeet Chandra v Dillon Chambers | L | 3-1 |
| Challenger Series TT | 2022/11/10 18:50 | Michael Engelhardt v Dillon Chambers | W | 1-3 |