| Korea Open 2019, MS, Qualification | 2019/09/24 05:00 | Lee, Dong Keun v Kim, Donghun (1993) | W | 0-2 |
| Indonesia Masters | 2022/10/19 10:00 | Kim, Donghun (1993) v Koki Watanabe | L | 0-2 |
| Indonesia Masters | 2022/10/18 11:20 | Kim, Donghun (1993) v Ramlie, Yonathan | W | 2-0 |
| Denmark Masters | 2022/06/10 17:40 | Kiran George v Kim, Donghun (1993) | L | 2-1 |
| Denmark Masters | 2022/06/10 11:40 | Sholeh Aidil v Kim, Donghun (1993) | W | 0-2 |
| Korea Masters | 2022/04/14 05:00 | Hyeok Jin Jeon v Kim, Donghun (1993) | L | 2-0 |
| Korea Masters | 2022/04/13 03:00 | Kim, Donghun (1993) v Junpeng Zhao | W | 2-1 |
| Korea Open | 2022/04/07 03:40 | Kim, Donghun (1993) v Tze Yong Ng | L | 0-2 |
| Korea Open | 2022/04/05 03:50 | Kim, Donghun (1993) v Kai Schaefer | W | 2-0 |
| Masters de Malaisie - Qualif. | 2022/07/05 06:20 | Lee, Dong Keun v Tze Yong Ng | L | 0-2 |
| Masters de Malaisie - Qualif. | 2022/07/05 02:20 | Lee, Dong Keun v Elgamal, Adham Hatem | W | 2-0 |
| Korea Masters | 2022/04/13 01:20 | Lee, Dong Keun v Lu, G. Z. | L | 0-2 |
| 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 |