| Emperor's Cup 2019 - Appearances as Referee |  |
 |
 |
||||
| 03/07/2019 | Oita Trinita | - | Gainare Tottori | 4:1 | - | - | - |
| 14/08/2019 | Sanfrecce Hiroshima | - | Zweigen Kanazawa | 2:1 | 1 | - | - |
| Emperor's Cup 2019 - Appearances as Referee | |
|
|
||||
| 03/07/2019 | Oita Trinita | - | Gainare Tottori | 4:1 | - | - | - |
| 14/08/2019 | Sanfrecce Hiroshima | - | Zweigen Kanazawa | 2:1 | 1 | - | - |
| Complete name: | Koei Koya |
| Born: | |
| Place of birth: |
Japan |
| Nationality: |
Japan |