| Boom Cup | 2020/05/13 17:00 | Hiromi Yokoyama v Lucas Kawahara | L | 3-1 |
| Boom Cup | 2020/05/07 17:00 | Hiromi Yokoyama v Lucas Kawahara | L | 3-2 |
| Boom Cup | 2020/05/06 17:00 | Hiromi Yokoyama v Lucas Kawahara | W | 1-3 |
| Boom Cup | 2020/05/05 17:00 | Hiromi Yokoyama v Lucas Kawahara | L | 3-2 |
| Boom Cup | 2020/05/04 19:00 | Hiromi Yokoyama v Lucas Kawahara | L | 3-1 |
| Boom Cup | 2020/04/29 19:00 | Hiromi Yokoyama v Lucas Kawahara | L | 3-1 |
| Boom Cup | 2020/04/28 19:30 | Lucas Kawahara v Hiromi Yokoyama | W | 3-1 |
| Boom Cup | 2020/05/24 00:20 | Vitor Yamamoto v Lucas Kawahara | L | 3-0 |
| Boom Cup | 2020/05/23 23:30 | Lucas Kawahara v Leandro Pereira | W | 3-1 |
| Boom Cup | 2020/05/23 23:05 | Lucas Kawahara v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/05/23 22:40 | Alexandre Matsuo v Lucas Kawahara | W | 1-3 |
| Boom Cup | 2020/05/23 21:25 | Lucas Kawahara v Rafael Franco | L | 2-3 |
| Boom Cup | 2020/05/21 21:25 | Lucas Kawahara v Jonathan Dias | L | 0-3 |
| Boom Cup | 2020/05/21 20:35 | Danilo Umehara v Lucas Kawahara | W | 1-3 |
| Boom Cup | 2020/05/21 19:45 | Lucas Kawahara v Leandro Pereira | W | 3-2 |
| Boom Cup | 2020/05/23 21:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/23 20:35 | Hiromi Yokoyama v Lucas Orsatti | W | 3-2 |
| Boom Cup | 2020/05/23 20:10 | Ito Henrique v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/05/23 18:55 | Ricardo Kojima v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/23 18:30 | Hiromi Yokoyama v Tiago Cardoso | L | 0-3 |
| Boom Cup | 2020/05/22 21:00 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/22 20:10 | Mauricio Goncalves v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/22 19:45 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |