| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Tokuma Takeuchi# | .4918 | 2015 | |
| 2 | Hideyori Kiyomizu# | .4694 | 2012 | |
| 3 | Kuniyuki Akiyama# | .4658 | 2014 | |
| 4 | Ryuzaburo Ine# | .4622 | 2015 | |
| 5 | Tsuruki Kiyomizu# | .4507 | 2015 | |
| 6 | Juro Mizutani | .4408 | 2013 | |
| 7 | Shimei Omori# | .4345 | 2012 | |
| 8 | Yukio Kouno# | .4307 | 2013 | |
| 9 | Hirotsugu Kaneko# | .4302 | 2013 | |
| 10 | Kosho Hayashi# | .4278 | 2015 | |
| 11 | Matsusuke Kichikawa# | .4221 | 2014 | |
| 12 | Ryuzaburo Ohayashi# | .4090 | 2014 | |
| 13 | Tomiichi Kishita# | .4033 | 2013 | |
| 14 | Takayuki Yamada | .3987 | 2014 | |
| 15 | Akio Toyoda# | .3983 | 2014 | |
| 16 | Hirotsugu Kiyomizu# | .3946 | 2015 | |
| 17 | Kazu Abe# | .3939 | 2014 | |
| 18 | Kumanosuke Tagawa# | .3912 | 2015 | |
| 19 | Horiuchi Shinohara# | .3675 | 2014 | |
| 20 | Norio Kono# | .3562 | 2015 | |
| 21 | Kikaku Hayashi | .3521 | 2012 | |
| 22 | Masato Ogawa | .3465 | 2013 | |
| 23 | Hiroji Ogawa# | .3462 | 2013 | |
| 24 | Kiyoshi Kichida# | .3450 | 2015 | |
| 25 | Hidetada Iijima# | .3279 | 2015 | |
| 26 | Yoichi Yasuda# | .3243 | 2015 | |
| 27 | Toyoharu Kimura | .3158 | 2012 | |
| 28 | Takuji Hakui# | .3127 | 2012 | |
| 29 | Shun'ichi Abe | .2982 | 2012 | |
| 30 | Ippei Kino | .2812 | 2012 |
