| 12/31/2015 | ||||||
 |
| |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Ryuzaburo Ohayashi# | 1.096 | 2014 | |
| 2 | Yoritoki Fukushima# | 1.083 | 2015 | |
| 3 | Seinosuke Memoto# | 1.081 | 2014 | |
| 4 | Takuji Hakui# | 1.078 | 2012 | |
| 5 | Kazu Abe# | 1.071 | 2014 | |
| 5 | Hirotsugu Kaneko# | 1.071 | 2013 | |
| 7 | Kumanosuke Tagawa# | 1.068 | 2015 | |
| 8 | Masayuki Miyata | 1.060 | 2013 | |
| 8 | Takayuki Yamada | 1.060 | 2014 | |
| 8 | Hirotsugu Kiyomizu# | 1.060 | 2015 | |
| 11 | Tsuruki Kiyomizu# | 1.044 | 2015 | |
| 12 | Toyoharu Kimura | 1.033 | 2012 | |
| 13 | Hiroji Ogawa# | 1.022 | 2013 | |
| 14 | Norio Kono# | 1.020 | 2015 | |
| 15 | Ryuzaburo Ine# | 1.008 | 2015 | |
| 16 | Shimei Omori# | 1.007 | 2012 | |
| 17 | Katsumi Sakaguchi | 1.006 | 2013 | |
| 18 | Isei Ikeda | 0.999 | 2013 | |
| 19 | Hidetada Iijima# | 0.995 | 2015 | |
| 20 | Masato Ogawa | 0.987 | 2013 | |
| 21 | Kiyoshi Kichida# | 0.986 | 2015 | |
| 22 | Kiyohira Kichida# | 0.976 | 2013 | |
| 23 | Hideyori Kiyomizu# | 0.972 | 2012 | |
| 24 | Kojuro Abe | 0.953 | 2013 | |
| 25 | Kosho Hayashi# | 0.950 | 2015 | |
| 26 | Shihi Yoshida# | 0.949 | 2014 | |
| 27 | Kiichi Amano# | 0.944 | 2013 | |
| 28 | Akira Ito# | 0.908 | 2014 | |
| 29 | Akio Toyoda# | 0.892 | 2014 | |
| 30 | Shuichi Hayagawa# | 0.867 | 2015 |
