| Open d'Angleterre | 2017/06/14 10:20 | Chong, Wei Feng v Sakai, Kazumasa | W | 0-2 |
| Open d'Angleterre | 2018/07/05 07:15 | Shi, Y. Q. v Sakai, Kazumasa | L | 2-0 |
| Open d'Angleterre | 2018/07/03 08:45 | Saensomboonsuk, Tanongsak v Sakai, Kazumasa | W | 0-2 |
| Open d'Angleterre | 2018/06/26 07:20 | Lee, Chong-Wei v Sakai, Kazumasa | L | 2-0 |
| Open d'Angleterre | 2018/05/24 13:00 | Corvee, Lucas v Sakai, Kazumasa | L | 2-0 |
| Indonesia Masters XD | 2018/05/20 09:00 | Sakai, Kazumasa v Cheuk Yiu Lee | L | 0-2 |
| Indonesia Masters XD | 2018/04/25 09:20 | Sakai, Kazumasa v Jonatan Christie | L | 0-2 |
| Indonesia Masters | 2018/01/28 05:30 | Sakai, Kazumasa v Anthony Sinisuka Ginting | L | 0-2 |
| Indonesia Masters | 2018/01/27 08:00 | Sakai, Kazumasa v Son, Wan Ho | W | 2-1 |
| Giraldilla Int. XD | 2018/05/10 05:15 | Lu, G. Z. v Chong, Wei Feng | L | 2-0 |
| Giraldilla Int. XD | 2018/05/09 06:00 | Chong, Wei Feng v Koki Watanabe | W | 2-1 |
| Giraldilla Int. XD | 2018/05/02 04:00 | Igarashi, Yu v Chong, Wei Feng | L | 2-0 |
| China Masters | 2018/04/14 11:20 | Lin, Yu Hsien v Chong, Wei Feng | L | 2-1 |
| China Masters | 2018/04/13 11:10 | Zhou, Z. Q. v Chong, Wei Feng | W | 0-2 |
| Giraldilla Int. XD | 2018/04/12 07:27 | Chong, Wei Feng v Yang, Chih Chieh | W | 2-0 |
| China Masters | 2018/04/12 06:00 | Chong, Wei Feng v Yang, Chih Chieh | W | 2-0 |
| China Masters | 2018/04/11 10:40 | Chong, Wei Feng v Shumin, Liu | W | 2-0 |