| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kazutoshi Samurakami# | .6137 | 2013-2013 | |
| 2 | Tagashashi Iwata | .5429 | 2012-2012 | |
| 3 | Akihisa Harada# | .5417 | 2015-2015 | |
| 4 | Toin Ishii# | .5069 | 2015-2015 | |
| 5 | Kazuhiro Kojima# | .5000 | 2013-2013 | |
| 6 | Soshu Kitamura# | .4934 | 2013-2013 | |
| 7 | Yoshiki Sasaki# | .4881 | 2013-2013 | |
| 8 | Tatsui Ikeda | .4780 | 2013-2013 | |
| 9 | Kenshin Toiguchi# | .4540 | 2014-2014 | |
| 10 | Yodo Miyashita# | .3889 | 2012-2012 | |
| 11 | Yoshihiro Inoue# | .3675 | 2012-2012 | |
| 12 | Ichiro Iwata# | .3406 | 2015-2015 | |
| 13 | Yoshitora Watanabe# | .3177 | 2014-2014 | |
| 14 | Yukio Yamada# | .3145 | 2015-2015 |
