| Boom Cup | 05/02 18:00 | - | Yamamoto, Vitor v Neto, Avelino | L | 0-3 | |
| Boom Cup | 05/02 17:30 | - | Yamamoto, Vitor v Yokoyama, Hiromi | W | 3-0 | |
| Boom Cup | 05/02 16:30 | - | Dias, Jonathan v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/02 15:30 | - | Yamamoto, Vitor v Kojima, Ricardo | L | 0-3 | |
| Boom Cup | 05/01 16:30 | - | Franco, Rafael v Yamamoto, Vitor | L | 3-2 | |
| Boom Cup | 05/01 15:30 | - | Yamamoto, Vitor v Fudihara, Alec | L | 0-3 | |
| Boom Cup | 05/01 14:30 | - | Kawahara, Lucas v Yamamoto, Vitor | W | 1-3 | |
| Boom Cup | 05/01 13:00 | - | Fudimori, Tiago v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/01 12:00 | - | Yamamoto, Vitor v Neto, Avelino | L | 0-3 | |
| Boom Cup | 04/30 20:30 | - | Yamamoto, Vitor v Cardoso, Tiago | L | 2-3 | |
| Boom Cup | 04/30 19:00 | - | Yokoyama, Hiromi v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 04/30 18:30 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 04/30 17:30 | - | Neto, Avelino v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 04/30 16:30 | - | Yamamoto, Vitor v Trecco, Joao Paulo | L | 0-3 | |
| Boom Cup | 04/29 15:00 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 04/29 14:30 | - | Fudihara, Alec v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 04/29 14:00 | - | Yamamoto, Vitor v Trecco, Joao Paulo | L | 0-3 | |
| Boom Cup | 04/29 12:30 | - | Yamamoto, Vitor v Chikaraishi, Akira | L | 0-3 | |
| Boom Cup | 04/28 15:00 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 04/28 14:30 | - | Yamamoto, Vitor v Fudihara, Alec | L | 0-3 | |
| Boom Cup | 04/28 13:30 | - | Yamamoto, Vitor v Cardoso, Tiago | L | 0-3 | |
| Boom Cup | 04/28 12:30 | - | Pereira, Leandro v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 04/28 12:00 | - | Neto, Avelino v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 04/27 20:30 | - | Chikaraishi, Akira v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 04/27 19:30 | - | Yamamoto, Vitor v Franco, Rafael | L | 1-3 | |
| Boom Cup | 04/27 18:30 | - | Yamamoto, Vitor v Orsatti, Lucas | L | 0-3 | |
| Boom Cup | 04/27 17:00 | - | Yamamoto, Vitor v Cardoso, Tiago | L | 0-3 | |
| Boom Cup | 04/27 16:00 | - | Pereira, Leandro v Yamamoto, Vitor | L | 3-0 |