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