| World Championships | 2019/08/20 10:00 | Sai Praneeth B. v Dong Keun Lee | L | 2-0 |
| World Championships | 2019/08/19 19:30 | Dong Keun Lee v Daniel Fan | W | 2-0 |
| Thailand Open | 2019/07/31 08:20 | Dong Keun Lee v Tien Chen Chou | L | 0-2 |
| Japan Open | 2019/07/24 08:30 | Dong Keun Lee v Tien Chen Chou | L | 0-2 |
| US Open | 2019/07/13 02:30 | Dong Keun Lee v Chun-Yi Lin | L | 0-2 |
| US Open | 2019/07/11 22:00 | Dong Keun Lee v Koki Watanabe | W | 2-1 |
| US Open | 2019/07/11 00:25 | Dong Keun Lee v Zeqi Zhou | W | 2-0 |
| Canada Open | 2019/07/03 18:30 | Dong Keun Lee v Sheng Po Yu | L | 0-2 |
| Thailand Open | 2019/07/31 06:55 | H.S. Prannoy v Wing Ki Vincent Wong | L | 2-0 |
| Japan Open | 2019/07/25 01:10 | Wing Ki Vincent Wong v Tommy Sugiarto | L | 0-2 |
| Japan Open | 2019/07/23 08:30 | Wing Ki Vincent Wong v Yuxiang Huang | W | 2-0 |
| Indonesia Open | 2019/07/20 09:00 | Wing Ki Vincent Wong v Anders Antonsen | L | 0-2 |
| Indonesia Open | 2019/07/19 08:30 | Ka Long Angus Ng v Wing Ki Vincent Wong | W | 0-2 |
| Indonesia Open | 2019/07/18 12:05 | Cheuk Yiu Lee v Wing Ki Vincent Wong | W | 1-2 |
| Indonesia Open | 2019/07/17 04:05 | Sai Praneeth B. v Wing Ki Vincent Wong | W | 1-2 |
| Australian Open | 2019/06/05 07:10 | Wing Ki Vincent Wong v Joo Ven Soong | L | 0-2 |