| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Yosuke Kubota |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Shuhei Ishimaru |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Shu Kawamata |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Yuta Oho |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
