Ratings
2013-04-07: 80_Hamamatsu_meeting(Japan)
| OYAMA Kazuma | 43-21 | YAMAGUCHI Naoki |
| YUKA Takaaki | 54-10 | YAMAGUCHI Naoki |
| OKABE Michiaki | 54-10 | YAMAGUCHI Naoki |
| KAWAMURA Toyoto | 64-00 | YAMAGUCHI Naoki |