| Challenger Series TT | 2022/09/26 10:30 | Sven Happek v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/15 12:50 | Carlos Muhlbach v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2019/06/24 14:00 | Carlos Muhlbach v Sven Happek | W | 3-2 |
| Challenger Series TT | 2022/10/10 14:30 | Karl Zimmermann v Carlos Muhlbach | W | 1-3 |
| Challenger Series TT | 2022/10/10 11:50 | Florian Bluhm v Carlos Muhlbach | W | 0-3 |
| Challenger Series TT | 2022/10/10 09:50 | Carlos Muhlbach v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2022/10/10 07:50 | Carlos Muhlbach v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2022/09/26 17:50 | Carlos Muhlbach v Rafael De Las Heras | W | 3-0 |
| Challenger Series TT | 2022/09/26 15:10 | Carlos Muhlbach v Florian Bluhm | L | 1-3 |
| Challenger Series TT | 2022/09/26 13:10 | Jeromy Loffler v Carlos Muhlbach | W | 1-3 |
| Challenger Series TT | 2022/09/26 10:30 | Sven Happek v Carlos Muhlbach | W | 0-3 |
| Challenger Series TT | 2022/10/10 15:10 | Liang Qiu v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/10/10 12:30 | Karl Zimmermann v Sven Happek | W | 0-3 |
| Challenger Series TT | 2022/10/10 11:10 | Andres Martinez v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/10/10 06:30 | Florian Bluhm v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/09/27 10:50 | Sven Happek v Rafael De Las Heras | L | 2-3 |
| Challenger Series TT | 2022/09/27 09:25 | Florian Bluhm v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/09/27 08:30 | John Oyebode v Sven Happek | W | 2-3 |
| Challenger Series TT | 2022/09/27 06:30 | Sven Happek v Florian Bluhm | L | 0-3 |