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