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