| Boom Cup | 2020/05/30 21:50 | Kawahara, Lucas v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/05/27 23:05 | Kawahara, Lucas v Yamamoto, Vitor | L | 3-1 |
| Boom Cup | 2020/05/24 00:20 | Yamamoto, Vitor v Kawahara, Lucas | W | 3-0 |
| Boom Cup | 2020/05/20 23:55 | Kawahara, Lucas v Yamamoto, Vitor | L | 3-2 |
| Boom Cup | 2020/05/19 21:25 | Kawahara, Lucas v Yamamoto, Vitor | L | 3-1 |
| Boom Cup | 2020/05/11 14:00 | Kawahara, Lucas v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/05/01 14:30 | Kawahara, Lucas v Yamamoto, Vitor | W | 1-3 |
| Boom Cup | 2020/06/06 21:50 | Matsuo, Alexandre v Yamamoto, Vitor | W | 0-3 |
| Boom Cup | 2020/06/05 00:20 | Cardoso, Tiago v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/04 23:55 | Yamamoto, Vitor v Franco, Rafael | L | 2-3 |
| Boom Cup | 2020/06/04 23:05 | Henrique, Ito v Yamamoto, Vitor | W | 0-3 |
| Boom Cup | 2020/06/04 22:15 | Horiuchi, Rodrigo v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/04 21:50 | Yamamoto, Vitor v Pereira, Leandro | W | 3-0 |
| Boom Cup | 2020/06/03 21:25 | Yokoyama, Hiromi v Yamamoto, Vitor | L | 3-0 |
| Boom Cup | 2020/06/03 20:35 | Yamamoto, Vitor v Goncalves, Maurico | L | 1-3 |
| Boom Cup | 2020/06/06 21:50 | Kawahara, Lucas v Umehara, Danilo | W | 3-0 |
| Boom Cup | 2020/06/05 21:25 | Yokoyama, Hiromi v Kawahara, Lucas | L | 3-0 |
| Boom Cup | 2020/06/05 20:35 | Kawahara, Lucas v Cardoso, Tiago | L | 1-3 |
| Boom Cup | 2020/06/05 20:10 | Kawahara, Lucas v Orsatti, Lucas | L | 0-3 |
| Boom Cup | 2020/06/05 19:20 | Henrique, Ito v Kawahara, Lucas | W | 0-3 |
| Boom Cup | 2020/06/05 18:30 | Kawahara, Lucas v Dias, Jonathan | L | 0-3 |
| Boom Cup | 2020/06/04 00:20 | Kojima, Ricardo v Kawahara, Lucas | L | 3-0 |
| Boom Cup | 2020/06/03 23:30 | Kawahara, Lucas v Franco, Rafael | L | 1-3 |