| Boom Cup | 05/11 12:00 | - | Cardoso, Tiago v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/08 20:30 | - | Yamamoto, Vitor v Dias, Jonathan | L | 1-3 | |
| Boom Cup | 05/08 20:00 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/08 19:00 | - | Yamamoto, Vitor v Orsatti, Lucas | L | 1-3 | |
| Boom Cup | 05/08 18:00 | - | Yamamoto, Vitor v Pereira, Leandro | W | 3-2 | |
| Boom Cup | 05/08 17:30 | - | Yokoyama, Hiromi v Yamamoto, Vitor | L | 3-2 | |
| Boom Cup | 05/07 13:00 | - | Yamamoto, Vitor v Neto, Avelino | L | 1-3 | |
| Boom Cup | 05/07 12:30 | - | Yamamoto, Vitor v Goncalves, Maurico | L | 0-3 | |
| Boom Cup | 05/07 12:00 | - | Dias, Jonathan v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/06 17:00 | - | Yamamoto, Vitor v Henrique, Ito | W | 3-0 | |
| Boom Cup | 05/06 16:00 | - | Dias, Jonathan v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/06 15:00 | - | Yamamoto, Vitor v Neto, Avelino | W | 3-1 | |
| Boom Cup | 05/06 14:30 | - | Yamamoto, Vitor v Chikaraishi, Akira | L | 0-3 | |
| Boom Cup | 05/06 14:00 | - | Pereira, Leandro v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/05 13:00 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/05 12:30 | - | Kojima, Ricardo v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/05 12:00 | - | Chikaraishi, Akira v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/04 15:00 | - | Franco, Rafael v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/04 14:30 | - | Yamamoto, Vitor v Pereira, Leandro | W | 3-0 | |
| Boom Cup | 05/04 14:00 | - | Trecco, Joao Paulo v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/04 13:00 | - | Yamamoto, Vitor v Chikaraishi, Akira | L | 0-3 | |
| Boom Cup | 05/04 12:30 | - | Yamamoto, Vitor v Fudimori, Tiago | L | 0-3 | |
| Boom Cup | 05/03 20:30 | - | Yokoyama, Hiromi v Yamamoto, Vitor | W | 1-3 | |
| Boom Cup | 05/03 19:00 | - | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 | |
| Boom Cup | 05/03 18:30 | - | Chikaraishi, Akira v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/03 18:00 | - | Franco, Rafael v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/03 17:00 | - | Yamamoto, Vitor v Goncalves, Maurico | L | 1-3 | |
| Boom Cup | 05/02 20:30 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/02 19:30 | - | Franco, Rafael v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/02 19:00 | - | Yamamoto, Vitor v Cardoso, Tiago | L | 1-3 |