| Canada Open | 2019/07/03 18:30 | Lee, Dong Keun v Yu, Sheng Po | L | 0-2 |
| Australian Open | 2019/06/05 03:00 | Sai Praneeth, B. v Lee, Dong Keun | L | 2-0 |
| Sudirman Cup | 2019/05/22 04:00 | Tien Chen Chou v Lee, Dong Keun | L | 2-0 |
| Asia Championships | 2019/04/24 02:00 | Kento Momota v Lee, Dong Keun | L | 2-0 |
| Singapore Open | 2019/04/10 06:40 | Joergensen, J. O. v Lee, Dong Keun | L | 2-0 |
| Open de Malaisie | 2019/04/03 06:00 | Phetpradab, Khosit v Lee, Dong Keun | L | 2-0 |
| Open de Suisse | 2019/03/14 17:30 | Lin, Dan v Lee, Dong Keun | L | 2-0 |
| Open de Suisse | 2019/03/13 20:20 | Lee, Dong Keun v Rasmus Gemke | W | 2-0 |
| Canada Open | 2019/07/03 17:00 | Liu, H. C. v Zhou, Z. Q. | L | 2-0 |
| New Zealand Open 2019, MS | 2019/05/01 02:00 | Zhou, Z. Q. v Sakai, Kazumasa | L | 1-2 |
| Open d'Inde | 2019/03/27 05:50 | Leverdez, Brice v Zhou, Z. Q. | L | 2-1 |
| China Masters | 2019/03/15 11:40 | Lakshya Sen v Zhou, Z. Q. | L | 2-1 |
| China Masters | 2019/03/14 09:55 | Zhang, Weiyi v Zhou, Z. Q. | W | 0-2 |
| China Masters | 2019/03/13 13:20 | Yang Yang v Zhou, Z. Q. | W | 0-2 |
| German Open | 2019/02/27 18:00 | Zhou, Z. Q. v Tien Chen Chou | L | 0-2 |
| Masters d'Espagne | 2019/02/21 14:50 | Zhou, Z. Q. v Junpeng Zhao | L | 1-2 |