| Masters d'Espagne | 2021/05/21 12:00 | Lee, Dong Keun v Misha Zilberman | W | 2-0 |
| Masters d'Espagne | 2021/05/20 12:30 | Lee, Dong Keun v Pablo Abian | W | 2-0 |
| Masters d'Espagne | 2021/05/19 10:40 | Lee, Dong Keun v Ditlev Jaeger Holm | W | 2-0 |
| India PBL | 2020/02/02 14:30 | Priyanshu Rajawat v Lee, Dong Keun | L | 2-0 |
| India PBL | 2020/01/30 15:10 | Lee, Dong Keun v Saensomboonsuk, Tanongsak | L | 0-2 |
| India PBL | 2020/01/28 14:30 | Jayaram, Ajay v Lee, Dong Keun | L | 2-1 |
| India PBL | 2020/01/25 14:30 | Sakai, Kazumasa v Lee, Dong Keun | W | 0-2 |
| India PBL | 2020/01/22 13:45 | Lakshya Sen v Lee, Dong Keun | L | 2-0 |
| Masters d'Espagne | 2021/05/21 12:40 | Mads Christophersen v Toma Junior Popov | W | 1-2 |
| Masters d'Espagne | 2021/05/20 12:00 | Tze Yong Ng v Toma Junior Popov | W | 0-2 |
| Masters d'Espagne | 2021/05/19 12:40 | Luis Enrique Penalver v Toma Junior Popov | W | 1-2 |
| Championnat d'Europe | 2021/04/29 07:40 | Toma Junior Popov v Kalle Koljonen | L | 0-2 |
| Championnat d'Europe | 2021/04/28 10:20 | Toma Junior Popov v Lane, Alex | W | 2-0 |
| Orléans Masters | 2021/03/28 10:00 | Toma Junior Popov v Mads Christophersen | W | 2-0 |
| Orléans Masters | 2021/03/27 11:00 | Toma Junior Popov v Kunlavut Vitidsarn | W | 2-1 |
| Orléans Masters | 2021/03/26 12:50 | Srikanth Kidambi v Toma Junior Popov | W | 0-2 |