| 12/31/2015 | ||||||
 |
| |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tetsui Okamoto | 1.161 | 2012 | |
| 2 | Masahiko Koga# | 1.134 | 2014 | |
| 3 | Kimi Maruyama | 1.131 | 2012 | |
| 4 | Shihi Suzuki# | 1.124 | 2015 | |
| 5 | Misao Kokawa# | 1.122 | 2014 | |
| 6 | Kuniyuki Makino | 1.120 | 2013 | |
| 7 | Sukejuro Kogawa | 1.095 | 2013 | |
| 8 | Kichisaburo Suzuki# | 1.077 | 2013 | |
| 9 | Keitaro Toyota# | 1.076 | 2015 | |
| 10 | Eisuke Kobayashi# | 1.074 | 2014 | |
| 11 | Tsuneari Okamura# | 1.067 | 2014 | |
| 12 | Masaki Yokoyama# | 1.066 | 2014 | |
| 13 | Jo Watanabe# | 1.061 | 2015 | |
| 14 | Katsuhiko Yamamoto# | 1.055 | 2013 | |
| 15 | Ryutaro Nemoto | 1.047 | 2012 | |
| 16 | Mitsuharu Kohara# | 1.030 | 2015 | |
| 17 | Kinnosuke Miyazaki# | 1.026 | 2015 | |
| 18 | Yodo Hagiwara# | 1.019 | 2015 | |
| 18 | Senichi Yoshikawa | 1.019 | 2013 | |
| 20 | Nobuhito Koyama# | 1.004 | 2012 | |
| 21 | Soshu Rin# | 0.989 | 2012 | |
| 22 | Yoshii Kubo# | 0.987 | 2014 | |
| 23 | Hogai Kuwabara | 0.986 | 2012 | |
| 24 | Masahiro Asai# | 0.970 | 2015 | |
| 25 | Yasukazu Onishi# | 0.962 | 2015 | |
| 26 | Ichiro Fukuda | 0.956 | 2012 | |
| 27 | Seiichi Tanaka# | 0.955 | 2013 | |
| 27 | Tadayuki Yamaguchi# | 0.955 | 2012 | |
| 29 | Tsuramatsu Furukawa | 0.946 | 2012 | |
| 29 | Yoshihito Kozawa | 0.946 | 2012 | |
| 31 | Shirai Naito# | 0.945 | 2014 | |
| 32 | Noriyuki Oshima# | 0.934 | 2015 | |
| 33 | Yoshihisa Yamada | 0.919 | 2013 |
