| WTT Contender Budapest | 2021/08/18 15:00 | Dang Qiu v Harmeet Desai | W | 3-1 |
| WTT Contender Budapest | 2021/08/17 16:20 | Dang Qiu v David Serdaroglu | W | 3-0 |
| WTT Star Contender Doha | 2021/03/09 13:15 | Dang Qiu v Jun Mizutani | L | 0-3 |
| WTT Star Contender Doha | 2021/03/08 08:35 | Dang Qiu v Andrej Gacina | W | 3-1 |
| WTT Star Contender Doha | 2021/03/07 12:50 | Dang Qiu v Thiago Monteiro | W | 3-1 |
| WTT Star Contender Doha | 2021/03/06 15:00 | Dang Qiu v Nandor Ecseki | W | 3-0 |
| Dusseldorf Masters | 2020/08/23 12:00 | Dang Qiu v Steffen Mengel | W | 4-1 |
| Dusseldorf Masters | 2020/08/23 09:00 | Dang Qiu v Gerrit Engemann | W | 4-1 |
| WTT Contender Budapest | 2021/08/18 13:20 | Niagol Stoyanov v Sathiyan Gnanasekaran | W | 3-1 |
| WTT Contender Budapest | 2021/08/17 16:20 | Lubomir Pistej v Niagol Stoyanov | W | 1-3 |
| European Championships | 2021/06/25 16:40 | Ovidiu Ionescu v Niagol Stoyanov | L | 4-2 |
| European Championships | 2021/06/24 17:30 | Niagol Stoyanov v Jonathan Groth | W | 4-3 |
| European Championships | 2021/06/22 07:50 | Niagol Stoyanov v Maciej Kubik | W | 3-2 |
| Olympic Qualification | 2021/04/22 15:00 | Niagol Stoyanov v Luka Mladenovic | W | 4-3 |
| Olympic Qualification | 2021/04/21 19:00 | Lubomir Pistej v Niagol Stoyanov | L | 4-0 |
| Olympic Qualification | 2021/04/21 14:00 | Niagol Stoyanov v Samuel Kulczycki | W | 4-1 |