| Boom Cup | 2020/05/23 21:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/22 19:45 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| 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 | 2020/05/07 19:00 | Hiromi Yokoyama v Akira Chikaraishi | L | 1-3 |
| Boom Cup | 2020/05/03 17:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/02 20:30 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/04/28 20:00 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/29 23:30 | Rafael Franco v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/29 23:05 | Lucas Orsatti v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/29 22:15 | Hiromi Yokoyama v Alexandre Matsuo | W | 3-0 |
| Boom Cup | 2020/05/29 21:50 | Jonathan Dias v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/28 21:00 | Tiago Cardoso v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/28 20:35 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-1 |
| Boom Cup | 2020/05/28 20:10 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/28 18:55 | Mauricio Goncalves v Hiromi Yokoyama | W | 0-3 |
| Boom Cup | 2020/05/29 23:30 | Akira Chikaraishi v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/05/29 22:40 | Alexandre Matsuo v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/29 22:15 | Akira Chikaraishi v Jonathan Dias | W | 3-1 |
| Boom Cup | 2020/05/29 21:25 | Rafael Franco v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/29 00:20 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/28 23:30 | Ricardo Kojima v Akira Chikaraishi | L | 3-1 |
| 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 |