The NHK Cup is a blitz Go tournament broadcast on radio (before 1963) or TV. The thinking time is 30 seconds per move, with 10 additional 1-minute periods for each player.
The number of participants was 8 (#1-#13), 16 (#14-#24), 26 (#25-#28) and 50 (from #29 on).
Komi was 4.5 (#1-#2), 5.5 (#3-#50), 6.5 (from #51 on).
We give links to subpages for the yearly NHK tournaments (in the first column), and the finals.
| Nr | Year | Winner | Opponent | sgf |
|---|---|---|---|---|
| 1 | 1954 | Shimamura Toshihiro | Takagawa Shukaku | B+1.5 |
| 2 | 1955 | Iwamoto Kaoru | Fujisawa Hosai | B+R |
| 3 | 1956 | Hashimoto Utaro | Sakata Eio | B+R |
| 4 | 1957 | Sakata Eio | Fujisawa Hosai | B+R |
| 5 | 1958 | Sakata Eio | Kitani Minoru | B+4.5 |
| 6 | 1959 | Sakata Eio | Takagawa Shukaku | W+R |
| 7 | 1960 | Kitani Minoru | Fujisawa Hosai | B+2.5 |
| 8 | 1961 | Sakata Eio | Kitani Minoru | W+3.5 |
| 9 | 1962 | Sakata Eio | Hashimoto Utaro | W+R |
| 10 | 1963 | Hashimoto Utaro | Fujisawa Hideyuki | W+0.5 |
| 11 | 1964 | Sakata Eio | Fujisawa Hideyuki | W+R |
| 12 | 1965 | Sakata Eio | Miyashita Hidehiro | B+6.5 |
| 13 | 1966 | Takagawa Shūkaku | Fujisawa Hideyuki | W+R |
| 14 | 1967 | Hashimoto Shoji | Fujisawa Hosai | W+R |
| 15 | 1968 | Otake Hideo | Hashimoto Shoji | B+R |
| 16 | 1969 | Fujisawa Hideyuki | Fujisawa Hosai | W+R |
| 17 | 1970 | Rin Kaiho | Sakata Eio | B+0.5 |
| 18 | 1971 | Otake Hideo | Ishida Yoshio | B+R |
| 19 | 1972 | Sakata Eio | Otake Hideo | B+R |
| 20 | 1973 | Otake Hideo | Hashimoto Shoji | W+10.5 |
| 21 | 1974 | Rin Kaiho | Kato Masao | W+R |
| 22 | 1975 | Otake Hideo | Takemiya Masaki | W+R |
| 23 | 1976 | Sakata Eio | Go Seigen | W+R |
| 24 | 1977 | Sakata Eio | Takemiya Masaki | B+R |
| 25 | 1978 | Rin Kaiho | Ohira Shuzo | B+R |
| 26 | 1979 | Tono Hiroaki | Takagi Shoichi | B+R |
| 27 | 1980 | Hashimoto Shoji | Cho Chikun | B+2.5 |
| 28 | 1981 | Fujisawa Hideyuki | Takagi Shoichi | B+R |
| 29 | 1982 | Sakata Eio | Sugiuchi Masao | W+R |
| 30 | 1983 | Cho Chikun | Otake Hideo | W+0.5 |
| 31 | 1984 | Honda Kunihisa | Takemiya Masaki | W+5.5 |
| 32 | 1985 | Hashimoto Shoji | Ishida Yoshio | B+2.5 |
| 33 | 1986 | Kobayashi Koichi | Takemiya Masaki | B+R |
| 34 | 1987 | Ishida Yoshio | Rin Kaiho | B+2.5 |
| 35 | 1988 | Kato Masao | O Rissei | B+R |
| 36 | 1989 | Takemiya Masaki | Kobayashi Satoru | B+R |
| 37 | 1990 | Ishida Yoshio | Otake Hideo | W+10.5 |
| 38 | 1991 | Yoda Norimoto | O Meien | B+R |
| 39 | 1992 | Cho Chikun | O Rissei | B+R |
| 40 | 1993 | Yoda Norimoto | Kato Masao | W+R |
| 41 | 1994 | Otake Hideo | Kato Masao | B+6.5 |
| 42 | 1995 | Kobayashi Satoru | Kiyonari Tetsuya | B+4.5 |
| 43 | 1996 | Cho Chikun | Kobayashi Satoru | B+0.5 |
| 44 | 1997 | O Rissei | Kobayashi Koichi | B+7.5 |
| 45 | 1998 | Yoda Norimoto | Honda Kunihisa | W+11.5 |
| 46 | 1999 | Yoda Norimoto | Tono Hiroaki | B+R |
| 47 | 2000 | Yoda Norimoto | Imamura Toshiya | W+7.5 |
| 48 | 2001 | Ishida Yoshio | Cho Chikun | B+2.5 |
| 49 | 2002 | Cho U | Hane Naoki | B+R |
| 50 | 2003 | Mimura Tomoyasu | O Rissei | W+R |
| 51 | 2004 | Kobayashi Koichi | Cho Chikun | B+3.5 |
| 52 | 2005 | Cho U | Yoda Norimoto | W+R |
| 53 | 2006 | Hane Naoki | Imamura Toshiya | B+R |
| 54 | 2007 | Cho Chikun | Yuki Satoshi | B+3.5 |
| 55 | 2008 | Cho U | Cho Chikun | B+0.5 |
| 56 | 2009 | Yuki Satoshi | Takemiya Masaki | B+R |
| 57 | 2010 | Yuki Satoshi | Iyama Yuta | B+3.5 |
| 58 | 2011 | Yamada Kimio | Yoda Norimoto | B+6.5 |
| 59 | 2012 | Yuki Satoshi | Hane Naoki | W+5.5 |
| 60 | 2013 | Yuki Satoshi | Iyama Yuta | W+9.5 |
| 61 | 2014 | Yuki Satoshi | Kono Rin | W+R |
| 62 | 2015 | Ida Atsushi | Ichiriki Ryo | B+R |
| 63 | 2016 | Cho U | Terayama Rei | B+R |
| 64 | 2017 | Iyama Yuta | Ichiriki Ryo | W+R |
| 65 | 2018 | Iyama Yuta | Shida Tatsuya | B+0.5 |
| 66 | 2019 | Ichiriki Ryo | Iyama Yuta | W+R |
| 67 | 2020 | Iyama Yuta | Ichiriki Ryo | W+R |
| 68 | 2021 | Ichiriki Ryo | Yu Zhengqi | B+R |
| 69 | 2022 | Ichiriki Ryo | Takao Shinji | W+0.5 |
| 70 | 2023 | Seki Kotaro | Ichiriki Ryo | W+0.5 |