| Challenger Ochsenhausen | 2021/10/18 08:30 | Guilherme Teodoro v Felipe Duffoo | L | 3-0 |
| Slovenia Open U21 | 2019/05/09 08:20 | Jeet Chandra v Felipe Duffoo | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/18 06:30 | Marius Henninger v Liang Qiu | W | 0-3 |
| Challenger Ochsenhausen | 2021/10/01 12:50 | Evgueni Chtchetinine v Liang Qiu | W | 1-3 |
| Challenger Ochsenhausen | 2021/10/01 12:05 | Miguel Vilchez v Liang Qiu | L | 3-2 |
| Challenger Ochsenhausen | 2021/10/01 08:30 | Evgueni Chtchetinine v Liang Qiu | L | 3-2 |
| Challenger Ochsenhausen | 2021/09/30 12:30 | Miguel Chamorro v Liang Qiu | W | 2-3 |
| Challenger Ochsenhausen | 2021/09/30 09:50 | Tal Israeli v Liang Qiu | W | 0-3 |
| Challenger Ochsenhausen | 2021/09/30 07:50 | Dauud Cheaib v Liang Qiu | L | 3-1 |
| Challenger Ochsenhausen | 2021/09/29 12:30 | Miguel Vilchez v Liang Qiu | L | 3-2 |