| Boom Cup | 2020/06/08 18:55 | Kojima, Ricardo v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/06 23:55 | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 |
| Boom Cup | 2020/05/29 19:45 | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 |
| Boom Cup | 2020/05/21 23:05 | Yamamoto, Vitor v Kojima, Ricardo | L | 1-3 |
| Boom Cup | 2020/05/19 20:35 | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 |
| Boom Cup | 2020/05/19 00:20 | Kojima, Ricardo v Yamamoto, Vitor | L | 3-1 |
| Boom Cup | 2020/05/12 20:30 | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 |
| Boom Cup | 2020/05/11 13:00 | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 |
| Boom Cup | 2020/06/12 20:10 | Umehara, Danilo v Yamamoto, Vitor | W | 0-3 |
| Boom Cup | 2020/06/12 18:55 | Franco, Rafael v Yamamoto, Vitor | L | 3-1 |
| Boom Cup | 2020/06/12 18:30 | Yamamoto, Vitor v Henrique, Ito | W | 3-0 |
| Boom Cup | 2020/06/11 21:00 | Yamamoto, Vitor v Dias, Jonathan | L | 2-3 |
| Boom Cup | 2020/06/11 20:35 | Kawahara, Lucas v Yamamoto, Vitor | W | 1-3 |
| Boom Cup | 2020/06/11 19:45 | Yokoyama, Hiromi v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/11 19:20 | Yamamoto, Vitor v Umehara, Danilo | W | 3-0 |
| Boom Cup | 2020/06/11 18:30 | Orsatti, Lucas v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/12 19:45 | Kojima, Ricardo v Franco, Rafael | W | 3-0 |
| Boom Cup | 2020/06/12 19:20 | Henrique, Ito v Kojima, Ricardo | W | 0-3 |
| Boom Cup | 2020/06/12 18:55 | Kojima, Ricardo v Chikaraishi, Akira | W | 3-0 |
| Boom Cup | 2020/06/10 21:25 | Kojima, Ricardo v Orsatti, Lucas | W | 3-1 |
| Boom Cup | 2020/06/10 20:35 | Yokoyama, Hiromi v Kojima, Ricardo | W | 0-3 |
| Boom Cup | 2020/06/10 19:45 | Kojima, Ricardo v Umehara, Danilo | W | 3-0 |
| Boom Cup | 2020/06/10 19:20 | Henrique, Ito v Kojima, Ricardo | W | 0-3 |
| Boom Cup | 2020/06/10 18:55 | Kojima, Ricardo v Cardoso, Tiago | W | 3-2 |