| Boom Cup | 2020/06/10 20:35 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/10 00:20 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/04 18:55 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/27 20:10 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/23 18:55 | Ricardo Kojima v Hiromi Yokoyama | W | 3-2 |
| Boom Cup | 2020/05/22 21:00 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/21 22:15 | Ricardo Kojima v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/05/20 18:55 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/13 19:20 | Lucas Orsatti v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/13 18:55 | Ricardo Kojima v Mauricio Goncalves | W | 3-1 |
| Boom Cup | 2020/06/12 21:25 | Ricardo Kojima v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/06/12 20:35 | Vitor Yamamoto v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/12 19:45 | Ricardo Kojima v Rafael Franco | W | 3-0 |
| Boom Cup | 2020/06/12 19:20 | Ito Henrique v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/06/12 18:55 | Ricardo Kojima v Akira Chikaraishi | W | 3-0 |
| Boom Cup | 2020/06/10 21:25 | Ricardo Kojima v Lucas Orsatti | W | 3-1 |
| Boom Cup | 2020/06/13 18:55 | Hiromi Yokoyama v Tiago Cardoso | L | 2-3 |
| Boom Cup | 2020/06/13 18:30 | Rodrigo Horiuchi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/11 21:00 | Hiromi Yokoyama v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/06/11 20:10 | Jonathan Dias v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/11 19:45 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/11 19:20 | Hiromi Yokoyama v Lucas Kawahara | W | 3-1 |
| Boom Cup | 2020/06/11 18:55 | Danilo Umehara v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/06/10 21:00 | Tiago Cardoso v Hiromi Yokoyama | L | 3-1 |