| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Fumiya Honda |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nobuyoshi Matsuda |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Shoichiro Mikami |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mashio Ryu |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
