| Boom Cup | 2020/06/10 00:20 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/06/04 18:55 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/27 20:10 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/23 18:55 | Ricardo Kojima v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/22 21:00 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/21 22:15 | Ricardo Kojima v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/20 18:55 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/15 18:30 | Ricardo Kojima v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/10 20:10 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/10 18:55 | Danilo Umehara v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/06/10 18:30 | Hiromi Yokoyama v Ito Henrique | W | 3-0 |
| Boom Cup | 2020/06/10 00:20 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/06/09 23:30 | Rodrigo Horiuchi v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/06/09 23:05 | Hiromi Yokoyama v Alexandre Matsuo | W | 3-1 |
| Boom Cup | 2020/06/09 22:40 | Hiromi Yokoyama v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/06/09 21:50 | Lucas Orsatti v Hiromi Yokoyama | W | 2-3 |
| Boom Cup | 2020/06/10 19:45 | Ricardo Kojima v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/06/10 19:20 | Ito Henrique v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/10 18:55 | Ricardo Kojima v Tiago Cardoso | W | 3-2 |
| Boom Cup | 2020/06/10 00:20 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/09 23:55 | Ricardo Kojima v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/06/09 23:05 | Leandro Pereira v Ricardo Kojima | W | 1-3 |
| Boom Cup | 2020/06/09 22:15 | Rodrigo Horiuchi v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/09 21:50 | Ricardo Kojima v Alexandre Matsuo | W | 3-0 |