| Boom Cup | 2020/05/05 12:00 | Akira Chikaraishi v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/04 13:00 | Vitor Yamamoto v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/03 18:30 | Akira Chikaraishi v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/04/29 12:30 | Vitor Yamamoto v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/04/27 20:30 | Akira Chikaraishi v Vitor Yamamoto | L | 3-0 |