| Challenger Series TT | 2022/09/19 11:10 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2022/01/20 15:30 | Liang Qiu v Sven Happek | W | 3-1 |
| Challenger - Ochsenhausen | 2021/12/01 10:10 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2021/11/10 07:30 | Liang Qiu v Sven Happek | W | 3-1 |
| Challenger - Ochsenhausen | 2021/10/27 06:30 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2021/09/29 06:30 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2021/03/31 07:10 | Liang Qiu v Sven Happek | W | 3-0 |
| Challenger - Ochsenhausen | 2021/02/24 10:10 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2022/09/26 11:50 | Liang Qiu v John Oyebode | W | 3-1 |
| Challenger Series TT | 2022/09/26 09:10 | Liang Qiu v Yannick Vostes | L | 2-3 |
| Challenger Series TT | 2022/09/26 06:30 | Liang Qiu v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2022/09/20 13:30 | Guilherme Teodoro v Liang Qiu | L | 3-1 |
| Challenger Series TT | 2022/09/20 12:05 | Tal Israeli v Liang Qiu | W | 2-3 |
| Challenger Series TT | 2022/09/20 08:30 | Marcel Neumaier v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2022/09/20 07:10 | Tal Israeli v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2022/09/19 17:10 | Damian Zech v Liang Qiu | W | 1-3 |
| Challenger Series TT | 2022/09/26 13:50 | Sven Happek v Rafael De Las Heras | L | 0-3 |
| Challenger Series TT | 2022/09/26 10:30 | Sven Happek v Carlos Muhlbach | L | 0-3 |
| Challenger Series TT | 2022/09/26 08:30 | Sven Happek v Jeromy Loffler | W | 3-2 |
| Challenger Series TT | 2022/09/20 07:50 | Guilherme Teodoro v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/09/19 19:50 | Damian Zech v Sven Happek | W | 0-3 |
| Challenger Series TT | 2022/09/19 17:50 | Michael Trink v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/09/19 15:50 | Sven Happek v Marcel Neumaier | L | 1-3 |
| Challenger Series TT | 2022/09/19 13:10 | Sven Happek v Alberto Lillo | W | 3-1 |