| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Yuki Nakayama |
|
2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Masateru Adachi |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Shinaki Kitazawa |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hiroki Murata |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
