| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Koei Koya |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Takafumi Mikuriya |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Masuya Ueda |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
