| 12/31/2014 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tetsu Nishimura# | .6229 | 2012 | |
| 2 | Kohei Takeuchi# | .6097 | 2013 | |
| 3 | Toyoharu Okumiya# | .6078 | 2013 | |
| 4 | Katsumoto Nakayama# | .5074 | 2014 | |
| 5 | Taki Wada# | .4930 | 2014 | |
| 6 | Robun Tanaka# | .4639 | 2013 | |
| 7 | Takuma Kobayashi | .4602 | 2013 | |
| 8 | Ryozo Daikawa# | .4406 | 2013 | |
| 9 | Konosuke Watanabe# | .4341 | 2014 | |
| 10 | Ichizo Hirose | .4256 | 2012 | |
| 11 | Sekien Ohashi# | .4051 | 2014 | |
| 12 | Takanori Higashi# | .4036 | 2012 | |
| 13 | Yoshihito Tanabe# | .3948 | 2013 | |
| 14 | Katsunosuki Yamada# | .3895 | 2013 | |
| 15 | Kichibei Kato | .3844 | 2012 | |
| 16 | Taizo Kimura# | .3802 | 2014 | |
| 17 | Yoshimune Nakanishi# | .3660 | 2014 | |
| 18 | Nobuo Sugahara# | .3512 | 2014 | |
| 19 | Toyotomi Takeuchi# | .3489 | 2014 | |
| 20 | Toyokazu Miyake# | .3156 | 2013 | |
| 21 | Kijuro Yamada# | .3014 | 2014 | |
| 22 | Hiroji Sugahara# | .2730 | 2014 |
