| 12/31/2014 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tashiaki Tanaka# | .8197 | 2013 | |
| 2 | Akio Toyoda# | .6431 | 2014 | |
| 3 | Kuniyuki Akiyama# | .6087 | 2014 | |
| 4 | Matsusuke Kichikawa# | .6040 | 2014 | |
| 5 | Juro Mizutani# | .6035 | 2013 | |
| 6 | Hideyori Kiyomizu# | .5949 | 2012 | |
| 7 | Takayuki Yamada# | .5589 | 2014 | |
| 8 | Ryuzaburo Ohayashi# | .5338 | 2014 | |
| 9 | Hirotsugu Kaneko# | .5314 | 2013 | |
| 10 | Masato Ogawa# | .4971 | 2013 | |
| 11 | Yukio Kouno# | .4948 | 2013 | |
| 12 | Shimei Omori# | .4756 | 2012 | |
| 13 | Tomiichi Kishita# | .4567 | 2013 | |
| 14 | Kazu Abe# | .4522 | 2014 | |
| 15 | Horiuchi Shinohara# | .4108 | 2014 | |
| 16 | Hiroji Ogawa# | .3879 | 2013 | |
| 17 | Toyoharu Kimura | .3855 | 2012 | |
| 18 | Kikaku Hayashi | .3624 | 2012 | |
| 19 | Ippei Kino | .3620 | 2012 | |
| 20 | Takuji Hakui# | .3616 | 2012 | |
| 21 | Shun'ichi Abe | .3529 | 2012 |
