| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Nobuhisa Yokoyama# | .4752 | 2013-2013 | |
| 2 | Yoritomo Yamaguchi# | .4490 | 2015-2015 | |
| 3 | Mokichi Kono# | .4226 | 2015-2015 | |
| 4 | Seinosuke Onishi# | .4172 | 2014-2014 | |
| 5 | Yohachi Nakashima# | .4067 | 2015-2015 | |
| 6 | Yasuyuki Hirano# | .4027 | 2014-2014 | |
| 7 | Toshikazu Kaneko | .4005 | 2013-2013 | |
| 8 | Yoshino Kobayashi# | .3938 | 2014-2014 | |
| 9 | Murai Ito | .3864 | 2012-2012 | |
| 10 | Kazuyoshi Suitani# | .3812 | 2012-2012 | |
| 11 | Tetsui Jouon# | .3780 | 2012-2012 | |
| 12 | Tetsuo Chikuda# | .3731 | 2015-2015 | |
| 13 | Sumiteru Yoshida# | .3564 | 2014-2014 | |
| 14 | Shun Asano# | .3526 | 2014-2014 | |
| 15 | Yoichi Sumita# | .3209 | 2014-2014 | |
| 16 | Shunsho Matsuo# | .3196 | 2014-2014 | |
| 17 | Masakado Kobayashi | .3091 | 2013-2013 |
