| Canada Open | 2019/07/03 18:30 | Dong Keun Lee v Sheng Po Yu | L | 0-2 |
| Australian Open | 2019/06/05 03:00 | Sai Praneeth B. v Dong Keun Lee | L | 2-0 |
| Sudirman Cup | 2019/05/22 04:00 | Tien Chen Chou v Dong Keun Lee | L | 2-0 |
| Asia Championships | 2019/04/24 02:00 | Kento Momota v Dong Keun Lee | L | 2-0 |
| Singapore Open | 2019/04/10 06:40 | Jan O Jorgensen v Dong Keun Lee | L | 2-0 |
| Malaysia Open | 2019/04/03 06:00 | Khosit Phetpradab v Dong Keun Lee | L | 2-0 |
| Swiss Open | 2019/03/14 17:30 | Dan Lin v Dong Keun Lee | L | 2-0 |
| Swiss Open | 2019/03/13 20:20 | Dong Keun Lee v Rasmus Gemke | W | 2-0 |
| Canada Open | 2019/07/03 17:00 | Haichao Liu v Zeqi Zhou | L | 2-0 |
| New Zealand Open | 2019/05/01 02:00 | Zeqi Zhou v Kazumasa Sakai | L | 1-2 |
| India Open | 2019/03/27 05:50 | Brice Leverdez v Zeqi Zhou | L | 2-1 |
| China Masters | 2019/03/15 11:40 | Lakshya Sen v Zeqi Zhou | L | 2-1 |
| China Masters | 2019/03/14 09:55 | Weiyi Zhang v Zeqi Zhou | W | 0-2 |
| China Masters | 2019/03/13 13:20 | Yang Yang v Zeqi Zhou | W | 0-2 |
| German Open | 2019/02/27 18:00 | Zeqi Zhou v Tien Chen Chou | L | 0-2 |
| Spain Masters | 2019/02/21 14:50 | Zeqi Zhou v Junpeng Zhao | L | 1-2 |