| Korea Open | 2022/04/06 03:30 | Jan Louda v Lee, Dong Keun | L | 2-0 |
| Welsh Int | 2021/12/03 17:40 | Verma, Siril v Lee, Dong Keun | L | 2-0 |
| Welsh Int | 2021/12/03 12:00 | Lee, Dong Keun v Varun Kapur | W | 2-1 |
| Welsh Int | 2021/12/02 13:40 | Lee, Dong Keun v Alap Mishra | W | 2-1 |
| Scottish Open | 2021/11/26 17:40 | Arnaud Merkle v Lee, Dong Keun | L | 2-0 |
| Scottish Open | 2021/11/25 17:30 | Kim Bruun v Lee, Dong Keun | W | 1-2 |
| Hylo Open | 2021/11/04 12:00 | Lee, Dong Keun v Srikanth Kidambi | L | 1-2 |
| Hylo Open | 2021/11/03 15:55 | Subhankar Dey v Lee, Dong Keun | W | 0-2 |
| Open d'Angleterre | 2022/03/17 12:30 | Lu, G. Z. v Ka Long Angus NG | W | 2-0 |
| Open d'Angleterre | 2022/03/16 18:10 | Lu, G. Z. v Junpeng Zhao | W | 2-1 |
| German Open | 2022/03/10 09:25 | Srikanth Kidambi v Lu, G. Z. | L | 2-1 |
| German Open | 2022/03/08 09:45 | Rouxel, Thomas v Lu, G. Z. | W | 0-2 |
| World Championships | 2021/12/16 11:30 | Lu, G. Z. v Srikanth Kidambi | L | 0-2 |
| World Championships | 2021/12/14 11:00 | Tien Chen Chou v Lu, G. Z. | W | 1-2 |
| World Championships | 2021/12/12 08:00 | Kunlavut Vitidsarn v Lu, G. Z. | W | 0-2 |
| Denmark Open | 2021/10/21 09:40 | Lu, G. Z. v Tien Chen Chou | L | 0-2 |