| 12/31/2016 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Kinnosuke Miyazaki# | .7628 | 2015 | |
| 2 | Katsuhiko Yamamoto# | .7459 | 2013 | |
| 3 | Mitsuharu Kohara# | .7250 | 2015 | |
| 4 | Kichisaburo Suzuki# | .6738 | 2013 | |
| 5 | Osamu Ito# | .6448 | 2014 | |
| 6 | Misao Kokawa# | .6254 | 2014 | |
| 7 | Tomiji Inoue | .5728 | 2013 | |
| 8 | Shintaro Rin# | .5485 | 2012 | |
| 9 | Noriyuki Oshima# | .5484 | 2015 | |
| 10 | Tetsu Araki# | .5263 | 2016 | |
| 11 | Soshu Rin# | .5232 | 2012 | |
| 12 | Hiroaki Hirayama# | .5152 | 2015 | |
| 13 | Toshikasu Ono# | .5071 | 2016 | |
| 14 | Tetsui Okamoto | .5027 | 2012 | |
| 15 | Jo Watanabe# | .4950 | 2015 | |
| 16 | Tomokazu Fujii# | .4896 | 2016 | |
| 17 | Eisuke Kobayashi | .4862 | 2014 | |
| 18 | Nobukazu Ogura# | .4833 | 2016 | |
| 19 | Iemochi Takahashi | .4798 | 2013 | |
| 20 | Tsuneari Okamura | .4786 | 2014 | |
| 21 | Nobuhito Koyama | .4183 | 2012 | |
| 22 | Yodo Hagiwara# | .4138 | 2015 | |
| 23 | Seiichi Tanaka# | .4092 | 2013 | |
| 24 | Kyoichi Yamaguchi# | .3933 | 2016 | |
| 25 | Masahiro Asai# | .3841 | 2015 | |
| 26 | Takuro Ono# | .3812 | 2016 | |
| 27 | Kuniyuki Makino | .3725 | 2013 | |
| 28 | Hogai Kuwabara | .3553 | 2012 | |
| 29 | Tsuramatsu Furukawa | .3552 | 2012 | |
| 30 | Masahiko Koga | .3471 | 2014 | |
| 31 | Shiba Yoshii | .3345 | 2013 | |
| 32 | Yoshii Kubo | .3333 | 2014 | |
| 33 | Shihi Suzuki# | .2779 | 2015 | |
| 34 | Ryutaro Nemoto | .2438 | 2012 |
