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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | PCT | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Katsuki Takano | .9806 | 1938 | |
| 2 | Yukio Kubo# | .9784 | 1943 | |
| 3 | Yukio Kubo# | .9762 | 1942 | |
| 4 | Yukio Kubo# | .9758 | 1947 | |
| 5 | Shigemi Hiramoto# | .9744 | 1947 | |
| 6 | Satomu Kono | .9722 | 1939 | |
| 6 | Satomu Kono | .9722 | 1942 | |
| 8 | Satomu Kono | .9691 | 1944 | |
| 9 | Yukio Kubo# | .9684 | 1941 | |
| 10 | Teruhiko Iwahashi# | .9674 | 1946 | |
| 11 | Teruhiko Iwahashi# | .9662 | 1941 | |
| 12 | Satomu Kono | .9658 | 1938 | |
| 13 | Yukio Kubo# | .9655 | 1944 | |
| 14 | Teruhiko Iwahashi# | .9649 | 1947 | |
| 15 | Kaoru Ishii | .9636 | 1941 | |
| 16 | Satomu Kono | .9627 | 1940 | |
| 17 | Yukio Kubo# | .9583 | 1946 | |
| 18 | Yoshizumi Smith# | .9571 | 1943 | |
| 19 | Teruhiko Iwahashi# | .9563 | 1940 | |
| 20 | Susumu Sasada | .9554 | 1939 | |
| 21 | Toyonobu Iwasaki | .9545 | 1939 | |
| 22 | Satomu Kono | .9543 | 1941 | |
| 23 | Toyonobu Iwasaki | .9538 | 1940 | |
| 24 | Yoshizumi Smith# | .9527 | 1939 | |
| 25 | Tomoyoshi Takeuchi# | .9509 | 1946 | |
| 26 | Yoshizumi Smith# | .9502 | 1940 | |
| 27 | Teruhiko Iwahashi# | .9500 | 1943 | |
| 28 | Souta Aoyama# | .9498 | 1938 | |
| 29 | Hokuto Yamamoto# | .9486 | 1946 | |
| 30 | Susumu Sasada | .9476 | 1940 | |
| 31 | Souta Aoyama# | .9447 | 1943 | |
| 32 | Toshiharu Miura# | .9439 | 1947 | |
| 33 | Yoshizumi Smith# | .9415 | 1942 | |
| 34 | Teruhiko Iwahashi# | .9412 | 1942 | |
| 35 | Hokuto Yamamoto# | .9408 | 1947 | |
| 36 | Yoshizumi Smith# | .9398 | 1941 | |
| 37 | Souta Aoyama# | .9394 | 1941 | |
| 38 | Teruhiko Iwahashi# | .9384 | 1939 | |
| 39 | Toshiharu Miura# | .9368 | 1946 | |
| 40 | Susumu Sasada | .9346 | 1938 | |
| 41 | Toshiharu Miura# | .9333 | 1944 | |
| 42 | Tomoyoshi Takeuchi# | .9316 | 1947 | |
| 43 | Saburo Miyamoto# | .9306 | 1947 | |
| 44 | Yoshizumi Smith# | .9286 | 1946 | |
| 45 | Yoshizumi Smith# | .9279 | 1947 | |
| 46 | Masahito Kato | .9235 | 1938 | |
| 47 | Souta Aoyama# | .9231 | 1940 | |
| 47 | Katsuki Takano | .9231 | 1944 | |
| 49 | Souta Aoyama# | .9227 | 1942 | |
| 50 | Katsunosuki Nakamura# | .9226 | 1947 | |
| 51 | Souta Aoyama# | .9211 | 1939 | |
| 51 | Susumu Sasada | .9211 | 1942 | |
| 53 | Katsunosuki Nakamura# | .9181 | 1946 | |
| 54 | Satomu Kono | .9153 | 1943 | |
| 55 | Shigemi Hiramoto# | .9082 | 1946 | |
| 56 | Yoshizumi Smith# | .9072 | 1944 | |
| 57 | Tomoyoshi Takeuchi# | .8922 | 1944 |
