| All England Open | 2017/06/17 04:50 | H.S. Prannoy v Kazumasa Sakai | W | 1-2 |
| All England Open | 2017/11/15 04:15 | Kazumasa Sakai v Yu Hsien Lin | L | 0-2 |
| French Open | 2017/10/25 13:00 | Kazumasa Sakai v Yuqi Shi | L | 0-2 |
| All England Open | 2017/10/19 14:23 | Wing Ki Vincent Wong v Kazumasa Sakai | L | 2-0 |
| Denmark Open | 2017/10/19 12:30 | Wing Ki Vincent Wong v Kazumasa Sakai | L | 2-0 |
| Denmark Open | 2017/10/18 19:00 | Ygor Coelho v Kazumasa Sakai | W | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2017/09/19 07:06 | Kazumasa Sakai v Dong Keun Lee | L | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2017/09/19 02:18 | Yu Hsien Lin v Kazumasa Sakai | W | 1-2 |
| All England Open | 2017/09/15 06:10 | Jonatan Christie v Kazumasa Sakai | L | 2-1 |
| All England Open | 2017/11/22 08:30 | H.S. Prannoy v Yun Hu | W | 2-1 |
| All England Open | 2017/11/16 04:30 | H.S. Prannoy v Cheuk Yiu Lee | L | 0-2 |
| All England Open | 2017/11/15 11:45 | Dong Keun Lee v H.S. Prannoy | W | 1-2 |
| French Open | 2017/10/28 13:10 | Srikanth Kidambi v H.S. Prannoy | L | 2-1 |
| French Open | 2017/10/27 16:40 | Hyeok Jin Jeon v H.S. Prannoy | W | 0-2 |
| French Open | 2017/10/26 19:30 | H.S. Prannoy v Hans-Kristian Vittinghus | W | 2-0 |
| French Open | 2017/10/25 07:00 | H.S. Prannoy v Hyun Il Lee | W | 2-0 |
| Denmark Open | 2017/10/20 17:00 | Wan Ho Son v H.S. Prannoy | L | 2-0 |