| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Masamune Kawai# | .4802 | 2014 | |
| 2 | Mashashi Kogawa# | .4714 | 2013 | |
| 3 | Atsumori Sakamoto | .4604 | 2013 | |
| 4 | Mutsuhito Takeda | .4516 | 2013 | |
| 5 | Totoya Sakei# | .4477 | 2014 | |
| 6 | Natsume Fujihara# | .4362 | 2012 | |
| 7 | Satoshi Kuhabara# | .4271 | 2015 | |
| 8 | Moromao Kouda# | .4177 | 2014 | |
| 9 | Takao Kato | .4145 | 2013 | |
| 10 | Kakuzo Minami# | .4132 | 2014 | |
| 11 | Hisanobu Inoue# | .3994 | 2014 | |
| 12 | Daisuke Murakami | .3971 | 2013 | |
| 13 | Jun'ichi Ogura# | .3764 | 2012 | |
| 14 | Magobei Uchida# | .3762 | 2015 | |
| 15 | Mitsuoki Aoki# | .3620 | 2014 | |
| 16 | Shunen Kobayashi | .3595 | 2013 | |
| 17 | Toshiro Hirano# | .3398 | 2014 | |
| 18 | Kazuyuki Yamada# | .3357 | 2014 | |
| 19 | Yuki Saikawa# | .3343 | 2015 | |
| 20 | Kenji Nakada | .3323 | 2012 | |
| 21 | Yoshitora Suzuki# | .3290 | 2015 | |
| 22 | Ryosei Honma | .3256 | 2012 | |
| 23 | Hyotaru Noro# | .3117 | 2015 | |
| 24 | Hoshi Okumura# | .3112 | 2015 | |
| 25 | Motonobu Higashi# | .3022 | 2015 | |
| 26 | Yasukazu Chikafuji# | .2936 | 2015 | |
| 27 | Masahiko Takahashi# | .2733 | 2012 |
