| 12/31/2015 | ||||||
 |
| |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tsuramatsu Iijima# | 1.138 | 2014 | |
| 2 | Isei Ono | 1.124 | 2012 | |
| 3 | Mamoru Yamauchi | 1.107 | 2012 | |
| 4 | Shinsaku Kono | 1.073 | 2012 | |
| 5 | Keisuke Maeda | 1.068 | 2013 | |
| 6 | Yoshimasa Tenno | 1.067 | 2013 | |
| 7 | Mokichi Kono# | 1.050 | 2015 | |
| 8 | Masaki Baba# | 1.047 | 2013 | |
| 9 | Yasuyuki Hirano# | 1.046 | 2014 | |
| 9 | Tetsuo Chikuda# | 1.046 | 2015 | |
| 11 | Yoshino Kobayashi# | 1.045 | 2014 | |
| 12 | Tatsukichi Otani | 1.043 | 2013 | |
| 12 | Yoshihiro Kouno | 1.043 | 2012 | |
| 14 | Masaharu Kichikawa | 1.034 | 2012 | |
| 15 | Seinosuke Onishi# | 1.026 | 2014 | |
| 15 | Tetsui Jouon# | 1.026 | 2012 | |
| 17 | Kazuyoshi Suitani# | 1.024 | 2012 | |
| 18 | Shun Asano# | 1.020 | 2014 | |
| 19 | Yohachi Nakashima# | 1.007 | 2015 | |
| 20 | Toshikazu Kaneko | 0.996 | 2013 | |
| 20 | Kazuo Kichida | 0.996 | 2013 | |
| 22 | Yoritomo Yamaguchi# | 0.987 | 2015 | |
| 23 | Shunsho Matsuo# | 0.980 | 2014 | |
| 23 | Soshu Hirose | 0.980 | 2013 | |
| 25 | Murai Ito | 0.979 | 2012 | |
| 26 | Tsuneari Goto | 0.964 | 2012 | |
| 27 | Shiki Ageda | 0.952 | 2012 | |
| 28 | Yoichi Sumita# | 0.941 | 2014 | |
| 29 | Sumiteru Yoshida# | 0.937 | 2014 |
