| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OPS | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Nobuhisa Yokoyama# | 1.1531 | 2013 | |
| 2 | Masaki Baba# | 1.1499 | 2013 | |
| 3 | Hirokazu Matsumoto# | 1.1196 | 2015 | |
| 4 | Tatsuzo Watanabe | 1.0975 | 2013 | |
| 5 | Mokichi Kono# | 1.0674 | 2015 | |
| 6 | Yoritomo Yamaguchi# | 1.0597 | 2015 | |
| 7 | Soshu Hirose | 1.0241 | 2013 | |
| 8 | Kazuyoshi Suitani# | 1.0165 | 2012 | |
| 9 | Yoshihiro Kouno | .9964 | 2012 | |
| 10 | Maresuke Kato# | .9865 | 2015 | |
| 11 | Seinosuke Onishi# | .9840 | 2014 | |
| 12 | Tetsui Jouon# | .9384 | 2012 | |
| 13 | Yoshino Kobayashi# | .9311 | 2014 | |
| 14 | Tetsuo Chikuda# | .9256 | 2015 | |
| 15 | Yohachi Nakashima# | .9174 | 2015 | |
| 16 | Seitaro Maruyama# | .9004 | 2012 | |
| 17 | Murai Ito | .8984 | 2012 | |
| 18 | Yasuyuki Hirano# | .8814 | 2014 | |
| 19 | Takane Saito | .8498 | 2013 | |
| 20 | Tatsukichi Otani | .8407 | 2013 | |
| 21 | Toshikazu Kaneko | .8314 | 2013 | |
| 22 | Kazuo Kichida | .8180 | 2013 | |
| 23 | Sumiteru Yoshida# | .8005 | 2014 | |
| 24 | Hideo Aoki# | .7236 | 2012 | |
| 25 | Shun Asano# | .7190 | 2014 | |
| 26 | Shunsho Matsuo# | .6830 | 2014 | |
| 27 | Sojuro Ueda | .6624 | 2012 | |
| 28 | Yoichi Sumita# | .6603 | 2014 | |
| 29 | Keisuke Maeda | .6514 | 2013 | |
| 30 | Masakado Kobayashi | .6425 | 2013 | |
| 31 | Masaharu Kichikawa | .6378 | 2012 |
