| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tetsu Nishimura# | .6229 | 2012 | |
| 2 | Kohei Takeuchi# | .6097 | 2013 | |
| 3 | Toyoharu Okumiya | .6078 | 2013 | |
| 4 | Junji Kichida# | .5125 | 2015 | |
| 5 | Katsumoto Nakayama# | .5074 | 2014 | |
| 6 | Taki Wada# | .4930 | 2014 | |
| 7 | Toyoaki Ishikawa# | .4699 | 2015 | |
| 8 | Robun Tanaka | .4639 | 2013 | |
| 9 | Takuma Kobayashi | .4602 | 2013 | |
| 10 | Sadao Ando# | .4412 | 2015 | |
| 11 | Ryozo Daikawa | .4406 | 2013 | |
| 12 | Konosuke Watanabe# | .4341 | 2014 | |
| 13 | Ichizo Hirose | .4256 | 2012 | |
| 14 | Sekien Ohashi# | .4051 | 2014 | |
| 15 | Takanori Higashi# | .4036 | 2012 | |
| 16 | Sozen Ito# | .3950 | 2015 | |
| 17 | Yoshihito Tanabe | .3948 | 2013 | |
| 18 | Katsunosuki Yamada | .3895 | 2013 | |
| 19 | Koki Ageda# | .3849 | 2015 | |
| 20 | Kichibei Kato | .3844 | 2012 | |
| 21 | Taizo Kimura# | .3802 | 2014 | |
| 22 | Yoshimune Nakanishi# | .3660 | 2014 | |
| 23 | Josuke Kawano# | .3575 | 2015 | |
| 24 | Nobuo Sugahara# | .3512 | 2014 | |
| 25 | Toyotomi Takeuchi# | .3489 | 2014 | |
| 26 | Ichizo Sato# | .3475 | 2015 | |
| 27 | Daisuke Watanabe# | .3244 | 2015 | |
| 28 | Toyokazu Miyake | .3156 | 2013 | |
| 29 | Kijuro Yamada# | .3014 | 2014 | |
| 30 | Hiroji Sugahara# | .2730 | 2014 |
