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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Kuniaki Yamada | .4868 | 2013 | |
| 2 | Soseki Aoki# | .4685 | 2016 | |
| 3 | Horiuchi Kato# | .4684 | 2017 | |
| 4 | Shusaku Sugiyama# | .4589 | 2015 | |
| 5 | Takafumi Nomura# | .4583 | 2013 | |
| 6 | Saikaku Endo | .4388 | 2013 | |
| 7 | Totoya Fukushima# | .4316 | 2013 | |
| 8 | Seitaro Uenohara# | .4222 | 2012 | |
| 9 | Kiichi Okazaki | .4197 | 2013 | |
| 10 | Mario Romero# | .4180 | 2017 | |
| 11 | Hiroaki Suzuki# | .4161 | 2013 | |
| 12 | Kazuyuki Suzuki | .3988 | 2013 | |
| 13 | Daisuke Ine# | .3959 | 2017 | |
| 14 | Matsuyo Nakada | .3958 | 2012 | |
| 15 | Soichiro Sugiyama | .3955 | 2014 | |
| 16 | Yoshino Okabe# | .3946 | 2014 | |
| 17 | Yodo Inagaki# | .3894 | 2012 | |
| 18 | Norogumi Suzuki# | .3875 | 2016 | |
| 19 | Tokaji Koizumi# | .3871 | 2014 | |
| 20 | Takaaki Hirayama# | .3846 | 2012 | |
| 21 | Robun Tanaka# | .3822 | 2016 | |
| 22 | Yoshida Hayakawa# | .3792 | 2012 | |
| 23 | Yugoro Kudara# | .3785 | 2013 | |
| 24 | Ieyoshi Matsuo | .3743 | 2015 | |
| 25 | Yen-nien Zhou# | .3720 | 2017 | |
| 26 | Yoshifumi Yamamoto | .3690 | 2014 | |
| 27 | Toshikazu Sakai | .3611 | 2012 | |
| 28 | Masakado Kichida | .3582 | 2015 | |
| 29 | Yoshino Tanaka# | .3581 | 2017 | |
| 30 | Narihari Kuhabara# | .3578 | 2016 | |
| 31 | Munemitsu Aoyama | .3557 | 2012 | |
| 32 | Toyokazu Hasegawa | .3552 | 2014 | |
| 33 | Kitahachi Matsushita | .3521 | 2013 | |
| 34 | Masamune Ishihara | .3471 | 2012 | |
| 35 | Naonobu Mori# | .3468 | 2017 | |
| 36 | Tadanobu Takahashi# | .3463 | 2017 | |
| 37 | Toyoaki Azuma | .3432 | 2015 | |
| 38 | Yura Edelstein# | .3375 | 2017 | |
| 39 | Togai Sakei | .3364 | 2015 | |
| 40 | Seiryo Miyazaki | .3363 | 2015 | |
| 41 | Toshiharu Kichida | .3314 | 2014 | |
| 42 | Toshio Shiroi# | .3299 | 2016 | |
| 43 | Shojiro Matsumoto | .3289 | 2012 | |
| 44 | Nobuhiko Okuta | .3282 | 2014 | |
| 45 | Tetsuzan Miyakawa# | .3246 | 2017 | |
| 46 | Sadaharu Watanabe | .3218 | 2014 | |
| 46 | Tanyu Suzuki | .3218 | 2012 | |
| 48 | Sugita Kakuta# | .3208 | 2017 | |
| 49 | Rintaro Toyota | .3205 | 2013 | |
| 50 | Yoriyoshi Ine# | .3204 | 2016 | |
| 51 | Ryuzaburo Oda | .3195 | 2014 | |
| 52 | Hikaru Tashima# | .3133 | 2016 | |
| 52 | Yasuo Kato | .3133 | 2013 | |
| 54 | Basker Sahni# | .3129 | 2017 | |
| 55 | Tetsuhiko Mori# | .3114 | 2016 | |
| 56 | Yeijiro Ohayashi | .3084 | 2013 | |
| 57 | Tokuma Sato | .3026 | 2014 | |
| 58 | Sosa Higashi | .3020 | 2015 | |
| 59 | Yoshitaka Kan# | .3013 | 2016 | |
| 60 | Yoshiki Takeuchi# | .3004 | 2017 | |
| 61 | Yoshifusa Shimizu | .2989 | 2015 | |
| 62 | Hidetada Takeuchi | .2988 | 2015 | |
| 63 | Noriyuki Inoue# | .2970 | 2016 | |
| 64 | Hirotada Sasaki | .2964 | 2014 | |
| 65 | Tatsui Wakana# | .2952 | 2017 | |
| 66 | Hisashi Sakai# | .2941 | 2017 | |
| 67 | Yoshihisa Chikafuji | .2933 | 2015 | |
| 68 | Izumo Nakamura | .2931 | 2012 | |
| 69 | Sozen Kimura | .2920 | 2014 | |
| 70 | Sozen Shimizu | .2894 | 2015 | |
| 71 | Hiroharu Mori | .2818 | 2016 | |
| 72 | Rintaro Okubo | .2815 | 2013 | |
| 73 | Sosa Hayakawa | .2791 | 2016 | |
| 74 | Kichibei Takeuchi | .2772 | 2015 | |
| 75 | Yorikane Sai | .2685 | 2015 | |
| 76 | Koji Miyakawa | .2603 | 2014 | |
| 77 | Hisashi Takata | .2600 | 2012 | |
| 78 | Masutaro Yoshioka | .2583 | 2012 | |
| 79 | Hidekazu Kichida | .2273 | 2012 | |
| 80 | Ryushi Hagi | .1859 | 2012 |
