| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Shusaku Sugiyama# | .4589 | 2015 | |
| 2 | Saikaku Endo | .4388 | 2013 | |
| 3 | Totoya Fukushima# | .4316 | 2013 | |
| 4 | Seitaro Uenohara# | .4222 | 2012 | |
| 5 | Kiichi Okazaki | .4197 | 2013 | |
| 6 | Kazuyuki Suzuki | .3988 | 2013 | |
| 7 | Soichiro Sugiyama | .3955 | 2014 | |
| 8 | Yoshino Okabe# | .3946 | 2014 | |
| 9 | Yodo Inagaki# | .3894 | 2012 | |
| 10 | Yoshida Hayakawa# | .3792 | 2012 | |
| 11 | Yugoro Kudara# | .3785 | 2013 | |
| 12 | Ieyoshi Matsuo# | .3743 | 2015 | |
| 13 | Yoshifumi Yamamoto# | .3690 | 2014 | |
| 14 | Masakado Kichida# | .3582 | 2015 | |
| 15 | Toyoaki Azuma# | .3432 | 2015 | |
| 16 | Seiryo Miyazaki# | .3363 | 2015 | |
| 17 | Toshiharu Kichida# | .3314 | 2014 | |
| 18 | Nobuhiko Okuta# | .3282 | 2014 | |
| 19 | Sadaharu Watanabe# | .3218 | 2014 | |
| 20 | Rintaro Toyota | .3205 | 2013 | |
| 21 | Ryuzaburo Oda# | .3195 | 2014 | |
| 22 | Yasuo Kato | .3133 | 2013 | |
| 23 | Yeijiro Ohayashi | .3084 | 2013 | |
| 24 | Sosa Higashi# | .3020 | 2015 | |
| 25 | Hirotada Sasaki# | .2964 | 2014 | |
| 26 | Yoshihisa Chikafuji# | .2933 | 2015 | |
| 27 | Sozen Kimura# | .2920 | 2014 | |
| 28 | Sozen Shimizu# | .2894 | 2015 | |
| 29 | Yorikane Sai# | .2685 | 2015 | |
| 30 | Koji Miyakawa# | .2603 | 2014 |
