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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OSLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kanichi Yokota | .2385 | 1939-1943 | |
| 2 | Heiichi Funaki# | .2513 | 1938-1947 | |
| 3 | Heikichi Kawasaki# | .2536 | 1939-1947 | |
| 4 | Tetsuji Iwasaki# | .2605 | 1946-1947 | |
| 5 | Ken Yamada# | .2643 | 1942-1947 | |
| 6 | Shojiro Tasaka# | .2698 | 1938-1947 | |
| 7 | Satonori Yamasaki# | .2726 | 1939-1947 | |
| 8 | Noburo Kagawa# | .2751 | 1938-1947 | |
| 9 | Shogo Kobayashi | .2788 | 1938-1946 | |
| 10 | Hachiro Ishii | .2810 | 1939-1942 | |
| 11 | Hideshi Igarashi# | .2835 | 1946-1947 | |
| 12 | Satoshi Smith# | .2847 | 1939-1947 | |
| 13 | Kodai Takeda# | .2852 | 1940-1947 | |
| 14 | Masahiro Yamashita | .2861 | 1938-1947 | |
| 15 | Akahito Takizawa# | .2867 | 1939-1947 | |
| 16 | Fujio Tanaka# | .2876 | 1938-1947 | |
| 17 | Zenjiro Yukimoto# | .2878 | 1946-1947 | |
| 18 | Mikizo Fukuchi# | .2893 | 1939-1947 | |
| 19 | Tokuzo Osugi# | .2931 | 1946-1947 | |
| 20 | Jiro Kuroda# | .2937 | 1938-1947 | |
| 21 | Toshio Iwamoto# | .2949 | 1946-1947 | |
| 22 | Naski Kanno# | .2954 | 1946-1947 | |
| 23 | Nariakira Yamada# | .2960 | 1946-1947 | |
| 24 | Shunzen Terada# | .2976 | 1941-1947 | |
| 25 | Ryuusei Sawai# | .2982 | 1938-1947 | |
| 26 | Masakado Goto# | .3013 | 1938-1947 | |
| 27 | Iori Inouye# | .3039 | 1944-1947 | |
| 28 | Takuyuki Shimizu# | .3042 | 1938-1947 | |
| 29 | Murai Aso# | .3051 | 1938-1947 | |
| 30 | Katsushi Iwashita | .3063 | 1938-1943 | |
| 31 | Masanori Onodera | .3068 | 1938-1947 | |
| 32 | Yusuke Kimura# | .3073 | 1938-1947 | |
| 33 | Minato Shishido# | .3099 | 1943-1947 | |
| 34 | Mizuki Maeda | .3138 | 1938-1943 | |
| 35 | Masami Niinuma# | .3149 | 1939-1947 | |
| 36 | Hiroyasu Takahashi# | .3159 | 1938-1947 | |
| 37 | Junichi Furukawa | .3173 | 1938-1940 | |
| 38 | Yuushirou Watanabe# | .3189 | 1941-1947 | |
| 39 | Akiharu Smith# | .3196 | 1938-1947 | |
| 40 | Tadakatsu Endo# | .3211 | 1941-1947 | |
| 41 | Toshimichi Uchino# | .3220 | 1938-1947 | |
| 42 | Kenko Ito | .3241 | 1938-1943 | |
| 43 | Shinji Nomura | .3247 | 1938-1947 | |
| 44 | Tomiji Watanabe# | .3271 | 1939-1947 | |
| 45 | Yorikane Sato | .3279 | 1938-1940 | |
| 46 | Gou Sawamura# | .3280 | 1946-1947 | |
| 47 | Ryuzo Imai | .3301 | 1938-1943 | |
| 48 | Ryuhei Takahashi | .3318 | 1938-1940 | |
| 49 | Matsudaira Susumago# | .3337 | 1938-1947 | |
| 50 | Tadanori Nakagawa# | .3348 | 1943-1947 | |
| 51 | Shinga Yuasa# | .3381 | 1946-1947 | |
| 52 | Hideo Ito# | .3455 | 1938-1947 | |
| 53 | Masatoshi Yamada | .3480 | 1938-1943 | |
| 54 | Masayoshi Fujiwara | .3611 | 1938-1941 | |
| 55 | Tadashi Hirano | .3660 | 1938-1942 | |
| 56 | Toshifumi Nakai | .4041 | 1938-1943 |
