| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Mitsuharu Kohara# | .5117 | 2015 | |
| 2 | Kinnosuke Miyazaki# | .4987 | 2015 | |
| 3 | Misao Kokawa# | .4962 | 2014 | |
| 4 | Tomiji Inoue | .4638 | 2013 | |
| 5 | Kichisaburo Suzuki# | .4496 | 2013 | |
| 6 | Eisuke Kobayashi# | .4415 | 2014 | |
| 7 | Osamu Ito# | .4256 | 2014 | |
| 8 | Katsuhiko Yamamoto# | .4209 | 2013 | |
| 9 | Soshu Rin# | .4000 | 2012 | |
| 10 | Shintaro Rin# | .3944 | 2012 | |
| 11 | Noriyuki Oshima# | .3918 | 2015 | |
| 12 | Tsuneari Okamura# | .3815 | 2014 | |
| 13 | Hiroaki Hirayama# | .3770 | 2015 | |
| 14 | Iemochi Takahashi | .3722 | 2013 | |
| 15 | Seiichi Tanaka# | .3625 | 2013 | |
| 16 | Jo Watanabe# | .3612 | 2015 | |
| 17 | Kuniyuki Makino | .3574 | 2013 | |
| 18 | Shiba Yoshii | .3547 | 2013 | |
| 19 | Tetsui Okamoto | .3475 | 2012 | |
| 20 | Hogai Kuwabara | .3410 | 2012 | |
| 21 | Nobuhito Koyama# | .3382 | 2012 | |
| 22 | Masahiko Koga# | .3333 | 2014 | |
| 23 | Yodo Hagiwara# | .3300 | 2015 | |
| 24 | Shihi Suzuki# | .3069 | 2015 | |
| 25 | Masahiro Asai# | .3038 | 2015 | |
| 26 | Yoshii Kubo# | .2812 | 2014 | |
| 27 | Tsuramatsu Furukawa | .2808 | 2012 | |
| 28 | Ryutaro Nemoto | .2374 | 2012 |
