| Swiss Open WD Qual | 2018/09/25 04:59 | Kwang Hee Heo v Seung Hoon Lee | W | 2-0 |
| Swiss Open WD Qual | 2018/09/25 02:33 | Zvonimir Durkinjak v Kwang Hee Heo | W | 0-2 |
| Giraldilla Int. XD | 2018/09/07 09:50 | Kwang Hee Heo v Joo Ven Soong | L | 1-2 |
| Giraldilla Int. XD | 2018/09/06 12:40 | Ikhsan L I Rumbay v Kwang Hee Heo | W | 1-2 |
| Giraldilla Int. XD | 2018/09/05 15:55 | Lakshya Sen v Kwang Hee Heo | W | 0-2 |
| Giraldilla Int. XD | 2018/06/21 21:50 | Max Weisskirchen v Kwang Hee Heo | L | 2-0 |
| Giraldilla Int. XD | 2018/06/20 21:40 | Kwang Hee Heo v Yu Igarashi | W | 2-0 |
| Giraldilla Int. XD | 2018/06/20 01:50 | Kevin Barkman v Kwang Hee Heo | W | 0-2 |
| All England Open | 2018/09/18 04:00 | Jan O Jorgensen v Dong Keun Lee | L | 2-1 |
| All England Open | 2018/09/15 03:30 | Dong Keun Lee v Khosit Phetpradab | L | 0-2 |
| All England Open | 2018/09/14 01:30 | Srikanth Kidambi v Dong Keun Lee | W | 1-2 |
| All England Open | 2018/09/13 04:00 | Dong Keun Lee v Wan Ho Son | W | 2-0 |
| All England Open | 2018/09/11 08:45 | Dong Keun Lee v Sameer Verma | W | 2-1 |
| Giraldilla Int. XD | 2018/06/20 23:00 | Dong Keun Lee v Cao Cuong Pham | L | 0-2 |
| US Open | 2018/06/17 20:00 | Dong Keun Lee v Mark Caljouw | W | 2-1 |
| US Open | 2018/06/16 21:45 | Dong Keun Lee v Khosit Phetpradab | W | 2-1 |