| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Shohei Ofuji |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Kai Ohto |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Hajime Ikeda |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Shota Kawada |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ryuta Suzuki |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Yuta Unten |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Keita Watanabe |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
