| All England Open | 2017/02/08 11:55 | Kantawat Leelavechabutr v Khosit Phetpradab | W | 0-2 |
| All England Open | 2017/02/07 13:40 | Kittithat Cheiklinthes v Khosit Phetpradab | W | 0-2 |
| All England Open | 2017/01/17 11:20 | Anthony Sinisuka Ginting v Khosit Phetpradab | L | 2-1 |
| Giraldilla Int. XD | 2016/12/13 14:43 | Khosit Phetpradab v Chi Wing Lim | L | 1-2 |
| Indonesia Masters - GD | 2016/11/22 04:56 | Riichi Takeshita v Khosit Phetpradab | L | 2-1 |
| Indonesia Masters - GD | 2016/11/15 02:57 | Siyuan Zhu v Khosit Phetpradab | L | 2-0 |
| All England Open | 2016/11/02 19:05 | Mark Caljouw v Khosit Phetpradab | L | 2-0 |
| All England Open | 2016/11/01 15:40 | Khosit Phetpradab v Anthony Sinisuka Ginting | W | 2-0 |
| All England Open | 2017/02/08 11:30 | Koki Watanabe v Teerapat Kleawan | W | 2-0 |
| All England Open | 2017/02/07 11:20 | Arun Kumar Ashok Kumar v Koki Watanabe | W | 1-2 |
| All England Open | 2016/12/07 04:00 | Koki Watanabe v Daren Liew | L | 0-2 |
| Indonesia Masters - GD | 2016/10/12 09:10 | Suppanyu Avihingsanon v Koki Watanabe | L | 3-1 |