| Boom Cup | 2020/05/20 18:55 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/15 18:30 | Ricardo Kojima v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/05/13 16:00 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/03 18:00 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/01 20:30 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/04/29 17:30 | Ricardo Kojima v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/05/21 21:25 | Lucas Orsatti v Ricardo Kojima | W | 2-3 |
| Boom Cup | 2020/05/20 21:00 | Ricardo Kojima v Lucas Orsatti | W | 3-2 |
| Boom Cup | 2020/05/20 20:10 | Danilo Umehara v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/20 19:45 | Ricardo Kojima v Jonathan Dias | W | 3-2 |
| Boom Cup | 2020/05/20 19:20 | Ricardo Kojima v Mauricio Goncalves | W | 3-0 |
| Boom Cup | 2020/05/20 18:55 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/19 21:00 | Ricardo Kojima v Akira Chikaraishi | W | 3-1 |
| Boom Cup | 2020/05/19 20:35 | Vitor Yamamoto v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/21 21:50 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-2 |
| Boom Cup | 2020/05/20 21:25 | Hiromi Yokoyama v Mauricio Goncalves | W | 3-0 |
| Boom Cup | 2020/05/20 20:35 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/20 19:45 | Hiromi Yokoyama v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/05/20 19:20 | Jonathan Dias v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/20 18:55 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/20 00:20 | Hiromi Yokoyama v Tiago Cardoso | L | 0-3 |
| Boom Cup | 2020/05/19 23:30 | Leandro Pereira v Hiromi Yokoyama | W | 0-3 |