| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Iku Hosoya |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Shota Kawada |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Mashio Ryu |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Kiyoto Takeuchi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Yasuhiro Udagawa |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
