| 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 |
| Boom Cup | 2020/05/06 14:00 | Leandro Pereira v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/05 13:00 | Mauricio Goncalves v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/05 12:30 | Ricardo Kojima v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/05 12:00 | Akira Chikaraishi v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/04 15:00 | Rafael Franco v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/04 14:30 | Vitor Yamamoto v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/04 14:00 | Joao Paulo Trecco v Vitor Yamamoto | L | 3-0 |
| Boom Cup | 2020/05/04 13:00 | Vitor Yamamoto v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/06 13:30 | Akira Chikaraishi v Avelino Neto | W | 3-0 |
| Boom Cup | 2020/05/05 13:00 | Akira Chikaraishi v Ricardo Kojima | L | 2-3 |
| Boom Cup | 2020/05/05 12:30 | Akira Chikaraishi v Mauricio Goncalves | W | 3-1 |
| Boom Cup | 2020/05/05 12:00 | Akira Chikaraishi v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/05/04 15:00 | Akira Chikaraishi v Joao Paulo Trecco | W | 3-0 |
| Boom Cup | 2020/05/04 14:00 | Tiago Fudimori v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/04 13:30 | Akira Chikaraishi v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/04 13:00 | Vitor Yamamoto v Akira Chikaraishi | W | 0-3 |