| Challenger - Ochsenhausen | 2021/09/29 08:30 | Evgueni Chtchetinine v Carlo Rossi | W | 2-3 |
| Czech Open | 2021/08/23 14:20 | Andreas Levenko v Carlo Rossi | L | 4-0 |
| Challenger - Ochsenhausen | 2021/05/11 14:00 | Carlo Rossi v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/11 12:35 | Carlo Rossi v Dennis Klein | L | 2-3 |
| Challenger - Ochsenhausen | 2021/05/11 10:20 | Michael Engelhardt v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/11 08:20 | Carlo Rossi v Florian Bluhm | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/10 20:00 | Juri Grauer v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 17:20 | Dennis Klein v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/09/29 06:30 | Sven Happek v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2021/09/07 09:00 | Carlos Franco v Liang Qiu | W | 1-3 |
| Challenger - Ochsenhausen | 2021/09/07 07:00 | Tom Jarvis v Liang Qiu | L | 3-1 |
| Challenger - Ochsenhausen | 2021/09/06 18:40 | Amirreza Abbasi v Liang Qiu | L | 3-1 |
| Challenger - Ochsenhausen | 2021/09/06 16:40 | Liang Qiu v Josip Huzjak | L | 1-3 |
| Challenger - Ochsenhausen | 2021/09/06 14:00 | Liang Qiu v Andrey Semenov | W | 3-2 |
| Challenger - Ochsenhausen | 2021/09/06 11:10 | Liang Qiu v Amin Ahmadian | W | 3-2 |
| Challenger - Ochsenhausen | 2021/09/06 08:30 | Florian Bluhm v Liang Qiu | L | 3-2 |