| 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 | 2020/05/07 19:00 | Hiromi Yokoyama v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/05/03 17:00 | Akira Chikaraishi v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/05/02 20:30 | Akira Chikaraishi v Hiromi Yokoyama | W | 3-0 |
| Boom Cup | 2020/04/28 20:00 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/04/27 18:00 | Akira Chikaraishi v Hiromi Yokoyama | W | 3-2 |
| Boom Cup | 2020/05/18 21:00 | Danilo Umehara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/18 20:10 | Akira Chikaraishi v Ito Henrique | W | 3-0 |
| Boom Cup | 2020/05/18 19:45 | Rafael Franco v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/18 18:55 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/18 18:30 | Mauricio Goncalves v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/15 19:00 | Akira Chikaraishi v Ricardo Kojima | L | 1-3 |
| 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 19:00 | Hiromi Yokoyama v Lucas Orsatti | W | 3-1 |
| Boom Cup | 2020/05/15 18:30 | Ricardo Kojima v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/15 17:30 | Tiago Fudimori v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/15 17:00 | Hiromi Yokoyama v Alec Fudihara | W | 3-1 |
| Boom Cup | 2020/05/15 15:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/14 20:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/14 20:00 | Avelino Neto v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/05/14 19:30 | Hiromi Yokoyama v Tiago Cardoso | L | 1-3 |