| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kinnosuke Miyazaki# | .7628 | 2015-2015 | |
| 2 | Mitsuharu Kohara# | .7250 | 2015-2015 | |
| 3 | Osamu Ito# | .6448 | 2014-2014 | |
| 4 | Misao Kokawa# | .6254 | 2014-2014 | |
| 5 | Tomiji Inoue | .5728 | 2013-2013 | |
| 6 | Noriyuki Oshima# | .5484 | 2015-2015 | |
| 7 | Soshu Rin# | .5232 | 2012-2012 | |
| 8 | Hiroaki Hirayama# | .5152 | 2015-2015 | |
| 9 | Tetsui Okamoto | .5027 | 2012-2012 | |
| 10 | Iemochi Takahashi | .4798 | 2013-2013 | |
| 11 | Tsuneari Okamura# | .4786 | 2014-2014 | |
| 12 | Nobuhito Koyama# | .4183 | 2012-2012 | |
| 13 | Seiichi Tanaka# | .4092 | 2013-2013 | |
| 14 | Masahiro Asai# | .3841 | 2015-2015 | |
| 15 | Hogai Kuwabara | .3553 | 2012-2012 | |
| 16 | Shihi Suzuki# | .2779 | 2015-2015 | |
| 17 | Ryutaro Nemoto | .2438 | 2012-2012 |
