| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Kakurō Hori |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Kakeru Takagi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Sho Yanagita |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
