| India PBL | 2020/01/27 13:50 | Kazumasa Sakai v Ansal Yadav | W | 2-0 |
| India PBL | 2020/01/25 14:30 | Kazumasa Sakai v Dong Keun Lee | L | 0-2 |
| Indonesia Masters | 2019/10/02 12:20 | Kazumasa Sakai v Wisnu Yuli Prasetyo | L | 0-2 |
| Chinese Taipei Open | 2019/09/04 10:40 | Kazumasa Sakai v Sourabh Verma | L | 0-2 |
| Akita Masters | 2019/08/15 02:15 | Kazumasa Sakai v Yu Igarashi | L | 1-2 |
| Akita Masters | 2019/08/14 03:30 | Kazumasa Sakai v Kodai Naraoka | W | 2-0 |
| US Open | 2019/07/11 21:15 | Tanongsak Saensomboonsuk v Kazumasa Sakai | L | 2-0 |
| US Open | 2019/07/10 21:15 | Timothy Lam v Kazumasa Sakai | W | 0-2 |