| 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 | 2020/05/01 20:30 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/27 19:45 | Leandro Pereira v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/27 18:55 | Hiromi Yokoyama v Rafael Franco | W | 3-1 |
| Boom Cup | 2020/05/27 18:30 | Ito Henrique v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/05/26 21:00 | Lucas Orsatti v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/26 20:10 | Hiromi Yokoyama v Mauricio Goncalves | W | 3-1 |
| Boom Cup | 2020/05/26 19:45 | Rafael Franco v Hiromi Yokoyama | W | 2-3 |
| Boom Cup | 2020/05/26 18:55 | Hiromi Yokoyama v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/26 18:30 | Jonathan Dias v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/27 19:45 | Ricardo Kojima v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/05/27 19:20 | Ricardo Kojima v Ito Henrique | W | 3-0 |
| Boom Cup | 2020/05/27 18:55 | Leandro Pereira v Ricardo Kojima | W | 1-3 |
| Boom Cup | 2020/05/27 00:20 | Ricardo Kojima v Tiago Cardoso | W | 3-1 |
| Boom Cup | 2020/05/26 23:55 | Danilo Umehara v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/26 22:40 | Ricardo Kojima v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/26 22:15 | Ito Henrique v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/26 21:50 | Ricardo Kojima v Akira Chikaraishi | W | 3-0 |