| Boom Cup | 05/27 23:55 | - | Yamamoto, Vitor v Matsuo, Alexandre | W | 3-0 | |
| Boom Cup | 05/27 23:30 | - | Umehara, Danilo v Yamamoto, Vitor | W | 0-3 | |
| Boom Cup | 05/27 23:05 | - | Kawahara, Lucas v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/27 22:15 | - | Yamamoto, Vitor v Dias, Jonathan | L | 0-3 | |
| Boom Cup | 05/27 21:25 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/25 21:00 | - | Yamamoto, Vitor v Goncalves, Maurico | L | 2-3 | |
| Boom Cup | 05/25 20:35 | - | Dias, Jonathan v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/25 19:45 | - | Cardoso, Tiago v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/25 19:20 | - | Yamamoto, Vitor v Franco, Rafael | L | 1-3 | |
| Boom Cup | 05/25 18:30 | - | Chikaraishi, Akira v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/24 00:20 | - | Yamamoto, Vitor v Kawahara, Lucas | W | 3-0 | |
| Boom Cup | 05/23 23:55 | - | Umehara, Danilo v Yamamoto, Vitor | W | 0-3 | |
| Boom Cup | 05/23 22:40 | - | Yamamoto, Vitor v Franco, Rafael | L | 1-3 | |
| Boom Cup | 05/23 22:15 | - | Pereira, Leandro v Yamamoto, Vitor | W | 2-3 | |
| Boom Cup | 05/23 21:50 | - | Yamamoto, Vitor v Matsuo, Alexandre | L | 0-3 | |
| Boom Cup | 05/23 00:20 | - | Yamamoto, Vitor v Umehara, Danilo | W | 3-1 | |
| Boom Cup | 05/22 23:30 | - | Pereira, Leandro v Yamamoto, Vitor | L | 3-2 | |
| Boom Cup | 05/22 23:05 | - | Yamamoto, Vitor v Matsuo, Alexandre | W | 3-1 | |
| Boom Cup | 05/22 22:40 | - | Yamamoto, Vitor v Dias, Jonathan | W | 3-0 | |
| Boom Cup | 05/22 21:50 | - | Cardoso, Tiago v Yamamoto, Vitor | L | 3-0 | |
| Boom Cup | 05/22 00:20 | - | Yamamoto, Vitor v Orsatti, Lucas | L | 0-3 | |
| Boom Cup | 05/21 23:30 | - | Goncalves, Maurico v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/21 23:05 | - | Yamamoto, Vitor v Kojima, Ricardo | L | 1-3 | |
| Boom Cup | 05/21 22:40 | - | Yamamoto, Vitor v Matsuo, Alexandre | W | 3-0 | |
| Boom Cup | 05/21 21:50 | - | Yokoyama, Hiromi v Yamamoto, Vitor | L | 3-2 | |
| Boom Cup | 05/21 00:20 | - | Yamamoto, Vitor v Henrique, Ito | L | 0-3 | |
| Boom Cup | 05/20 23:55 | - | Kawahara, Lucas v Yamamoto, Vitor | L | 3-2 | |
| Boom Cup | 05/20 22:40 | - | Yamamoto, Vitor v Matsuo, Alexandre | W | 3-2 | |
| Boom Cup | 05/20 22:15 | - | Pereira, Leandro v Yamamoto, Vitor | L | 3-1 | |
| Boom Cup | 05/20 21:50 | - | Yamamoto, Vitor v Chikaraishi, Akira | L | 0-3 |