| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OPS | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Shusaku Sugiyama# | 1.1139 | 2015 | |
| 2 | Saikaku Endo | 1.0768 | 2013 | |
| 3 | Yodo Inagaki# | 1.0599 | 2012 | |
| 4 | Seitaro Uenohara# | .9966 | 2012 | |
| 5 | Totoya Fukushima# | .8971 | 2013 | |
| 6 | Yoshino Okabe# | .8795 | 2014 | |
| 7 | Kazuyuki Suzuki | .8728 | 2013 | |
| 8 | Yoshifumi Yamamoto# | .8561 | 2014 | |
| 9 | Yoshida Hayakawa# | .8134 | 2012 | |
| 10 | Kiichi Okazaki | .8114 | 2013 | |
| 11 | Ieyoshi Matsuo# | .8068 | 2015 | |
| 12 | Yugoro Kudara# | .8038 | 2013 | |
| 13 | Toyoaki Azuma# | .7817 | 2015 | |
| 14 | Soichiro Sugiyama | .7400 | 2014 | |
| 15 | Seiryo Miyazaki# | .7100 | 2015 | |
| 16 | Nobuhiko Okuta# | .7093 | 2014 | |
| 17 | Masakado Kichida# | .6937 | 2015 | |
| 18 | Ryuzaburo Oda# | .6807 | 2014 | |
| 19 | Sadaharu Watanabe# | .6670 | 2014 | |
| 20 | Rintaro Toyota | .6511 | 2013 | |
| 21 | Hirotada Sasaki# | .6509 | 2014 | |
| 22 | Toshiharu Kichida# | .6502 | 2014 | |
| 23 | Yeijiro Ohayashi | .6435 | 2013 | |
| 24 | Yasuo Kato | .6428 | 2013 | |
| 25 | Sosa Higashi# | .6162 | 2015 | |
| 26 | Sozen Kimura# | .5999 | 2014 | |
| 27 | Sozen Shimizu# | .5797 | 2015 | |
| 28 | Yoshihisa Chikafuji# | .5748 | 2015 | |
| 29 | Koji Miyakawa# | .5668 | 2014 | |
| 30 | Yorikane Sai# | .5439 | 2015 |
