| Boom Cup | 2020/05/26 21:50 | Ricardo Kojima v Akira Chikaraishi | W | 3-0 |
| Boom Cup | 2020/05/23 20:10 | Ricardo Kojima v Akira Chikaraishi | W | 3-0 |
| Boom Cup | 2020/05/22 18:30 | Ricardo Kojima v Akira Chikaraishi | W | 3-2 |
| Boom Cup | 2020/05/19 21:00 | Ricardo Kojima v Akira Chikaraishi | W | 3-1 |
| Boom Cup | 2020/05/15 19:00 | Akira Chikaraishi v Ricardo Kojima | W | 1-3 |
| Boom Cup | 2020/05/12 19:30 | Ricardo Kojima v Akira Chikaraishi | W | 3-2 |
| Boom Cup | 2020/05/05 13:00 | Akira Chikaraishi v Ricardo Kojima | W | 2-3 |
| Boom Cup | 2020/05/03 20:00 | Ricardo Kojima v Akira Chikaraishi | L | 1-3 |
| Boom Cup | 2020/05/28 22:40 | Leandro Pereira v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/28 22:15 | Ricardo Kojima v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/28 21:25 | Ito Henrique v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/27 21:00 | Ricardo Kojima v Rafael Franco | W | 3-1 |
| Boom Cup | 2020/05/27 20:10 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| 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 | 2020/05/28 23:05 | Akira Chikaraishi v Jonathan Dias | W | 3-1 |
| Boom Cup | 2020/05/28 22:40 | Akira Chikaraishi v Ito Henrique | W | 3-0 |
| Boom Cup | 2020/05/28 21:50 | Leandro Pereira v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/27 00:20 | Akira Chikaraishi v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/05/26 23:30 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/26 23:05 | Akira Chikaraishi v Ito Henrique | W | 3-0 |
| Boom Cup | 2020/05/26 22:40 | Akira Chikaraishi v Tiago Cardoso | W | 3-1 |
| Boom Cup | 2020/05/26 21:50 | Ricardo Kojima v Akira Chikaraishi | L | 3-0 |