| US Open | 2018/06/16 21:45 | Dong Keun Lee v Khosit Phetpradab | W | 2-1 |
| All England Open | 2017/11/23 08:20 | Khosit Phetpradab v Dong Keun Lee | W | 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 |
| US Open | 2018/06/16 01:50 | Dong Keun Lee v Kantaphon Wangcharoen | W | 2-0 |
| US Open | 2018/06/15 02:30 | Dong Keun Lee v Misha Zilberman | W | 2-0 |
| All England Open | 2018/09/14 02:10 | Long Chen v Khosit Phetpradab | W | 0-2 |
| All England Open | 2018/09/13 05:30 | Mark Caljouw v Khosit Phetpradab | W | 0-2 |
| All England Open | 2018/09/11 02:00 | Khosit Phetpradab v Yuqi Shi | W | 2-0 |
| All England Open | 2018/08/01 02:40 | Long Chen v Khosit Phetpradab | L | 2-0 |
| All England Open | 2018/07/30 10:20 | Georges Julien Paul v Khosit Phetpradab | W | 0-2 |
| Indonesia Masters XD | 2018/07/19 11:45 | Jen Hao Hsu v Khosit Phetpradab | L | 2-0 |
| Indonesia Masters XD | 2018/07/18 10:25 | Cheuk Yiu Lee v Khosit Phetpradab | W | 1-2 |
| Thailand Open | 2018/07/13 09:20 | Kanta Tsuneyama v Khosit Phetpradab | L | 2-0 |