| 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 | 2020/05/13 16:00 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/03 18:00 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/06/03 21:25 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/03 20:35 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/03 19:45 | Hiromi Yokoyama v Leandro Pereira | W | 3-1 |
| Boom Cup | 2020/06/03 19:20 | Mauricio Goncalves v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/06/03 18:55 | Hiromi Yokoyama v Tiago Cardoso | L | 1-3 |
| Boom Cup | 2020/06/03 00:20 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/02 23:55 | Lucas Orsatti v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/06/02 22:40 | Hiromi Yokoyama v Alexandre Matsuo | W | 3-0 |
| Boom Cup | 2020/06/04 00:20 | Ricardo Kojima v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/06/03 23:55 | Danilo Umehara v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/03 22:40 | Ricardo Kojima v Rodrigo Horiuchi | W | 3-0 |
| Boom Cup | 2020/06/03 22:15 | Rafael Franco v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/03 21:50 | Ricardo Kojima v Jonathan Dias | W | 3-2 |
| Boom Cup | 2020/06/02 21:00 | Lucas Kawahara v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/02 20:35 | Ricardo Kojima v Tiago Cardoso | W | 3-1 |
| Boom Cup | 2020/06/02 20:10 | Ito Henrique v Ricardo Kojima | W | 0-3 |