| Boom Cup | 2020/05/12 19:30 | Ricardo Kojima v Akira Chikaraishi | L | 3-2 |
| Boom Cup | 2020/05/05 13:00 | Akira Chikaraishi v Ricardo Kojima | L | 2-3 |
| Boom Cup | 2020/05/03 20:00 | Ricardo Kojima v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/05/02 15:00 | Akira Chikaraishi v Ricardo Kojima | W | 3-1 |
| Boom Cup | 2020/04/30 13:30 | Ricardo Kojima v Akira Chikaraishi | L | 3-2 |
| Boom Cup | 2020/04/22 16:00 | Akira Chikaraishi v Ricardo Kojima | L | 2-3 |
| Boom Cup | 2020/04/21 16:30 | Akira Chikaraishi v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/15 18:00 | Akira Chikaraishi v Alec Fudihara | W | 3-0 |
| Boom Cup | 2020/05/15 17:00 | Lucas Orsatti v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/05/15 16:30 | Tiago Fudimori v Akira Chikaraishi | L | 3-1 |
| Boom Cup | 2020/05/15 15:30 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/14 20:30 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/14 20:00 | Akira Chikaraishi v Tiago Cardoso | W | 3-1 |
| Boom Cup | 2020/05/14 19:30 | Akira Chikaraishi v Avelino Neto | W | 3-0 |
| Boom Cup | 2020/05/13 15:30 | Akira Chikaraishi v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/15 18:30 | Ricardo Kojima v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/05/15 17:30 | Ricardo Kojima v Alec Fudihara | W | 3-1 |
| Boom Cup | 2020/05/15 16:30 | Ricardo Kojima v Lucas Orsatti | L | 1-3 |
| Boom Cup | 2020/05/15 16:00 | Tiago Fudimori v Ricardo Kojima | W | 1-3 |
| Boom Cup | 2020/05/14 19:00 | Ricardo Kojima v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/14 18:30 | Rafael Franco v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/14 17:00 | Ricardo Kojima v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/14 16:30 | Ito Henrique v Ricardo Kojima | W | 0-3 |