Prime Minister Cup (Go)
      
The Prime Minister Cup was a Go competition.
Outline
The Prime Minister Cup ran from 1961 to 1981. It was used by the Nihon Ki-in The first 18 titles were decided in a knockout tournament. The last two years, the format was changed to a best-of-three match between finalists from a large knockout.
Past Winners & Runner Up's
| Player  |  Years Held | 
|  Kano Yoshinori | 
  1961 | 
|  Hayashi Yutaro | 
  1962 | 
|  Sakakibara Shoji | 
  1963 | 
|  Miwa Yoshiro | 
  1964 | 
|  Otake Hideo | 
  1965 | 
|  Hoshino Toshi | 
  1966 | 
|  Suzuki Goro | 
  1967 | 
|  Ishida Yoshio | 
  1968 | 
|  Takagi Shoichi | 
  1969, 1975 | 
|  Kojima Takaho | 
  1970 | 
|  Takemiya Masaki | 
  1971, 1973 | 
|  Kobayashi Koichi | 
  1972, 1974, 1976 | 
|  Awaji Shuzo | 
  1977, 1981 | 
|  Nakamura Hidehito | 
  1978 | 
|  Haruyama Isamu | 
  1979 | 
|  Fukui Masaki | 
  1980 | 
 
 | 
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  |  | Major |  | 
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  |  | Minor |  | 
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  |  | Defunct |  | 
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  |  | Women's |  | 
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  |  | Defunct |  | 
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