| Indonesia Masters - Qualifikation | 2020/01/14 08:38 | Koki Watanabe v Junpeng Zhao | W | 0-1 |
| Korea Masters | 2019/11/22 05:20 | Junpeng Zhao v Koki Watanabe | W | 2-1 |
| Weltmeisterschaft | 2021/12/12 11:40 | Tzu Wei Wang v Junpeng Zhao | W | 1-2 |
| All England Open | 2020/03/12 11:50 | Junpeng Zhao v Yuqi Shi | L | 0-2 |
| All England Open | 2020/03/11 17:50 | Sai Praneeth B. v Junpeng Zhao | W | 0-2 |
| Thailand Masters | 2020/01/24 08:20 | Kenta Nishimoto v Junpeng Zhao | L | 2-0 |
| Thailand Masters | 2020/01/23 07:40 | Tzu Wei Wang v Junpeng Zhao | W | 1-2 |
| Thailand Masters | 2020/01/22 10:30 | Tien Minh Nguyen v Junpeng Zhao | W | 0-2 |
| Indonesia Masters | 2020/01/17 08:50 | Junpeng Zhao v Viktor Axelsen | L | 1-2 |
| Indonesia Masters | 2020/01/16 06:10 | Kean Yew Loh v Junpeng Zhao | W | 0-2 |
| Weltmeisterschaft | 2021/12/12 10:50 | Anuoluwapo Juwon Opeyori v Koki Watanabe | W | 0-2 |
| Indonesia Open | 2021/11/24 07:00 | Koki Watanabe v Viktor Axelsen | L | 0-2 |
| Indonesia Masters | 2021/11/18 02:00 | Ka Long Angus Ng v Koki Watanabe | L | 2-0 |
| Indonesia Masters | 2021/11/16 09:50 | Koki Watanabe v Kantaphon Wangcharoen | W | 2-0 |
| Hylo Open | 2021/11/03 11:00 | Koki Watanabe v Srikanth Kidambi | L | 0-2 |
| All England Open | 2021/03/17 17:00 | Koki Watanabe v Viktor Axelsen | L | 1-2 |
| Asia Team Championships | 2020/02/12 09:00 | Koki Watanabe v Kunlavut Vitidsarn | L | 1-2 |
| Thailand Masters | 2020/01/23 13:45 | Koki Watanabe v Shesar Hiren Rhustavito | L | 0-2 |