| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tsuruki Kiyomizu# | .7050 | 2015 | |
| 2 | Ryuzaburo Ine# | .6732 | 2015 | |
| 3 | Akio Toyoda# | .6431 | 2014 | |
| 4 | Kuniyuki Akiyama# | .6087 | 2014 | |
| 5 | Matsusuke Kichikawa# | .6040 | 2014 | |
| 6 | Juro Mizutani | .6035 | 2013 | |
| 7 | Hideyori Kiyomizu# | .5949 | 2012 | |
| 8 | Kosho Hayashi# | .5677 | 2015 | |
| 9 | Tokuma Takeuchi# | .5593 | 2015 | |
| 10 | Takayuki Yamada | .5589 | 2014 | |
| 11 | Hirotsugu Kiyomizu# | .5562 | 2015 | |
| 12 | Ryuzaburo Ohayashi# | .5338 | 2014 | |
| 13 | Hirotsugu Kaneko# | .5314 | 2013 | |
| 14 | Masato Ogawa | .4971 | 2013 | |
| 15 | Yukio Kouno# | .4948 | 2013 | |
| 16 | Kiyoshi Kichida# | .4870 | 2015 | |
| 17 | Norio Kono# | .4828 | 2015 | |
| 18 | Shimei Omori# | .4756 | 2012 | |
| 19 | Hidetada Iijima# | .4711 | 2015 | |
| 20 | Tomiichi Kishita# | .4567 | 2013 | |
| 21 | Kumanosuke Tagawa# | .4548 | 2015 | |
| 22 | Kazu Abe# | .4522 | 2014 | |
| 23 | Horiuchi Shinohara# | .4108 | 2014 | |
| 24 | Yoichi Yasuda# | .3971 | 2015 | |
| 25 | Hiroji Ogawa# | .3879 | 2013 | |
| 26 | Toyoharu Kimura | .3855 | 2012 | |
| 27 | Kikaku Hayashi | .3624 | 2012 | |
| 28 | Ippei Kino | .3620 | 2012 | |
| 29 | Takuji Hakui# | .3616 | 2012 | |
| 30 | Shun'ichi Abe | .3529 | 2012 |
