| Challenger Ochsenhausen | 2021/09/29 06:30 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/31 07:10 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/02/24 10:10 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/01/28 08:50 | Sven Happek v Liang Qiu | W | 3-1 |
| Challenger Ochsenhausen | 2020/12/02 10:50 | Sven Happek v Liang Qiu | L | 1-3 |
| Challenger Ochsenhausen | 2020/11/18 13:30 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2020/10/07 07:10 | Liang Qiu v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2020/07/20 07:50 | Liang Qiu v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/10/15 09:50 | Evgueni Chtchetinine v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2021/10/15 07:50 | Alexander Valuch v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/14 11:10 | Sven Happek v Cedric Tschanz | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/14 07:50 | Sven Happek v Andriy Sitak | L | 0-3 |
| Challenger Ochsenhausen | 2021/10/14 06:30 | Amirreza Abbasi v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/13 10:30 | Andrei Putuntica v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/13 07:50 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/01 10:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/10/26 14:40 | Simon Berglund v Liang Qiu | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/26 13:15 | Liang Qiu v Florian Bluhm | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/26 11:00 | Liang Qiu v Valerij Rakov | W | 3-1 |
| Challenger Ochsenhausen | 2021/10/26 07:40 | Liang Qiu v Elia Schmid | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/25 18:40 | Liang Qiu v Amin Ahmadian | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/25 17:20 | Liang Qiu v Simon Berglund | L | 0-3 |
| Challenger Ochsenhausen | 2021/10/25 11:50 | Liang Qiu v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/25 09:10 | Liang Qiu v Josip Huzjak | W | 3-1 |