| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Yosuke Kubota |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Dai Matsumoto |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Futoshi Nakamura |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Yūzō Sutani |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
