| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tsuruki Kiyomizu# | .7050 | 2015-2015 | |
| 2 | Kuniyuki Akiyama# | .6087 | 2014-2014 | |
| 3 | Juro Mizutani | .6035 | 2013-2013 | |
| 4 | Tokuma Takeuchi# | .5593 | 2015-2015 | |
| 5 | Hirotsugu Kiyomizu# | .5562 | 2015-2015 | |
| 6 | Hirotsugu Kaneko# | .5314 | 2013-2013 | |
| 7 | Masato Ogawa | .4971 | 2013-2013 | |
| 8 | Yukio Kouno# | .4948 | 2013-2013 | |
| 9 | Norio Kono# | .4828 | 2015-2015 | |
| 10 | Kumanosuke Tagawa# | .4548 | 2015-2015 | |
| 11 | Yoichi Yasuda# | .3971 | 2015-2015 | |
| 12 | Hiroji Ogawa# | .3879 | 2013-2013 | |
| 13 | Toyoharu Kimura | .3855 | 2012-2012 | |
| 14 | Takuji Hakui# | .3616 | 2012-2012 |
