16th term Oi-sen (FY1975)

Bracket 1

Best 16

• Genichi Oono8-dan / age 63 ○ Hidejiro Kitamuraage 66 ● Sep 20, 1974
• Fumio Kitamuraage 53 ○ 松浦卓造age 59 ● Sep 24, 1974
• Yuji Maeda4-dan / age 20 ○ Kiyozumi Kiriyama7-dan / age 26 ● Sep 27, 1974
• Yoshinori Kimura7-dan / age 39 ○ Masayuki Moriyasu4-dan / age 27 ● Oct 1, 1974
• Akira Kinoshita5-dan / age 35 ○ Hidemitsu Moriyasu5-dan / age 25 ● Oct 8, 1974
• Noboru Kosaka4-dan / age 24 ○ Shigekazu Minamiguchi8-dan / age 56 ● Nov 11, 1974

Quarterfinal

• Hiromitsu Takashimaage 33 ○ Fumio Kitamuraage 54 ● Oct 15, 1974
• Yuji Maeda4-dan / age 20 ○ Akira Kinoshita5-dan / age 35 ● Nov 6, 1974
• Yoshinori Kimura7-dan / age 39 ○ Genichi Oono8-dan / age 63 ● Nov 8, 1974
• Noboru Kosaka4-dan / age 24 ○ Susumu Itayaage 33 ● Dec 7, 1974

Semifinal

• Yuji Maeda4-dan / age 20 ○ Hiromitsu Takashimaage 33 ● Nov 18, 1974
• Noboru Kosaka4-dan / age 24 ○ Yoshinori Kimura7-dan / age 39 ● Jan 9, 1975

Final

• Noboru Kosaka4-dan / age 25 ○ Yuji Maeda4-dan / age 21 ● Mar 10, 1975

Bracket 2

Best 16

• Seiichirou Taki5-dan / age 25 ○ Mitsuo Kakuta7-dan / age 64 ● Aug 27, 1974
• Keizou Hoshida7-dan / age 57 ○ Eiji Ooharaage 45 ● Sep 11, 1974
• Hitoshige Awaji4-dan / age 24 ○ Kazumasa Yamanaka7-dan / age 59 ● Sep 24, 1974
• Renshou Nada8-dan / age 47 ○ Sanji Hashimoto6-dan / age 48 ● Sep 27, 1974
• Toshiyuki Tsubouchi5-dan / age 25 ○ Yasuo Date6-dan / age 38 ● Sep 30, 1974
• Keizo Futamiage 42 ○ Souetsu Honma8-dan / age 54 ● Oct 2, 1974

Quarterfinal

• Kunio Naitou9-dan / age 34 ○ Hitoshige Awaji4-dan / age 24 ● Oct 30, 1974
• Keizou Hoshida7-dan / age 57 ○ Keizo Futamiage 42 ● Oct 30, 1974
• Seiichirou Taki5-dan / age 26 ○ Kaishu Tanaka7-dan / age 27 ● Dec 24, 1974
• Toshiyuki Tsubouchi5-dan / age 25 ○ Renshou Nada8-dan / age 47 ● Jan 10, 1975

Semifinal

• Seiichirou Taki5-dan / age 26 ○ Toshiyuki Tsubouchi5-dan / age 26 ● Feb 12, 1975
• Kunio Naitou9-dan / age 35 ○ Keizou Hoshida7-dan / age 58 ● Mar 10, 1975

Final

• Kunio Naitou9-dan / age 35 ○ Seiichirou Taki5-dan / age 26 ● Mar 24, 1975

Bracket 3

Best 16

• Toyoichi Igarashi8-dan / age 49 ○ Chimine Yamaguchiage 37 ● Sep 13, 1974
• Shouji Kenmochi7-dan / age 40 ○ Nobuhiko Sakaguchiage 65 ● Sep 13, 1974
• Terutaka Yasue4-dan / age 33 ○ Shuuichi Ikedaage 29 ● Sep 19, 1974
• Toshihiko Kawaguchi5-dan / age 37 ○ Noboru Tamaru5-dan / age 24 ● Sep 20, 1974
• Yukio Miyasaka7-dan / age 44 ○ Mikio Tomizawaage 54 ● Sep 25, 1974

Quarterfinal

• Kazuyoshi Nishimura7-dan / age 32 ○ Toyoichi Igarashi8-dan / age 50 ● Sep 27, 1974
• Tatsuya Futakami9-dan / age 42 ○ Toshihiko Kawaguchi5-dan / age 37 ● Oct 16, 1974
• Terutaka Yasue4-dan / age 33 ○ Nobuyuki Oouchi8-dan / age 33 ● Oct 18, 1974
• Yukio Miyasaka7-dan / age 44 ○ Shouji Kenmochi7-dan / age 40 ● Oct 23, 1974

Semifinal

• Kazuyoshi Nishimura7-dan / age 33 ○ Terutaka Yasue5-dan / age 33 ● Jan 30, 1975
• Tatsuya Futakami9-dan / age 43 ○ Yukio Miyasaka7-dan / age 45 ● Feb 10, 1975

Final

• Kazuyoshi Nishimura7-dan / age 33 ○ Tatsuya Futakami9-dan / age 43 ● Mar 17, 1975

Bracket 4

Best 16

• Ichirou Tanabe5-dan / age 36 ○ Toratsugu Nomoto5-dan / age 29 ● Sep 13, 1974
• Kazuo Ishida6-dan / age 27 ○ Seiichi Kobori8-dan / age 62 ● Sep 17, 1974
• Hisao Hirotsu8-dan / age 51 ○ Yukio Shimodairaage 49 ● Sep 25, 1974
• Hisao Hasebe7-dan / age 41 ○ Yoshitaka Kimura5-dan / age 43 ● Sep 26, 1974
• Yoshimasa Saeki7-dan / age 38 ○ Teruichi Aono4-dan / age 21 ● Sep 30, 1974

Quarterfinal

• Masao Kitamura8-dan / age 39 ○ Kazuo Ishida6-dan / age 27 ● Sep 27, 1974
• Masao TsukadaLifetime 9-dan / age 60 ○ Ichirou Tanabe5-dan / age 36 ● Oct 18, 1974
• Motoji Hanamura8-dan / age 56 ○ Hisao Hasebe7-dan / age 41 ● Oct 23, 1974
• Hisao Hirotsu8-dan / age 51 ○ Yoshimasa Saeki7-dan / age 38 ● Oct 24, 1974

Semifinal

• Motoji Hanamura8-dan / age 57 ○ Masao Kitamura8-dan / age 40 ● Nov 29, 1974
• Hisao Hirotsu8-dan / age 52 ○ Masao TsukadaLifetime 9-dan / age 60 ● Mar 25, 1975

Final

• Hisao Hirotsu8-dan / age 52 ○ Motoji Hanamura8-dan / age 57 ● Mar 31, 1975

Bracket 5

Best 16

• Yoshinori Satou6-dan / age 25 ○ Hideo Yamaguchi6-dan / age 32 ● Sep 5, 1974
• Yasuo Harada8-dan / age 51 ○ Takeshi Takadaage 37 ● Sep 5, 1974
• Yuzo Maruta9-dan / age 55 ○ Kinji Shiihashi4-dan / age 25 ● Sep 24, 1974
• Toshio Miyata4-dan / age 21 ○ Shigeyuki Matsuda8-dan / age 53 ● Sep 27, 1974
• Kiyosaku Sekiya6-dan / age 40 ○ Hiroji Katou8-dan / age 51 ● Sep 30, 1974

Quarterfinal

• Hirofumi Serizawa8-dan / age 37 ○ Yoshinori Satou6-dan / age 25 ● Sep 21, 1974
• Hifumi Katoh9-dan / age 34 ○ Toshio Miyata4-dan / age 21 ● Oct 16, 1974
• Keiji Mori7-dan / age 28 ○ Kiyosaku Sekiya6-dan / age 40 ● Oct 23, 1974
• Yuzo Maruta9-dan / age 55 ○ Yasuo Harada8-dan / age 51 ● Feb 10, 1975

Semifinal

• Keiji Mori7-dan / age 28 ○ Hirofumi Serizawa8-dan / age 38 ● Nov 20, 1974
• Yuzo Maruta9-dan / age 55 ○ Hifumi Katoh9-dan / age 35 ● Mar 20, 1975

Final

• Keiji Mori7-dan / age 29 ○ Yuzo Maruta9-dan / age 56 ● Apr 7, 1975

Bracket 6

Best 16

• Yuji Sase7-dan / age 55 ○ Tsutomu Matsushita8-dan / age 61 ● Sep 5, 1974
• Noboru Sakurai6-dan / age 33 ○ Kazuo Manabe4-dan / age 22 ● Sep 17, 1974
• Masakazu Wakamatsu5-dan / age 35 ○ Kazuhisa Oomura6-dan / age 46 ● Sep 20, 1974
• Toshikatsu Yoshida6-dan / age 41 ○ Shizuo Seino6-dan / age 52 ● Sep 27, 1974

Quarterfinal

• Shigeru Sekine8-dan / age 44 ○ Noboru Sakurai6-dan / age 33 ● Oct 1, 1974
• Daigorou Satou8-dan / age 38 ○ Toshikatsu Yoshida6-dan / age 41 ● Nov 14, 1974
• Kozo Masuda9-dan / age 56 ○ Masakazu Wakamatsu5-dan / age 35 ● Nov 14, 1974
• Osamu Katsuura7-dan / age 28 ○ Yuji Sase7-dan / age 55 ● Nov 20, 1974

Semifinal

• Daigorou Satou8-dan / age 38 ○ Kozo Masuda9-dan / age 56 ● Dec 20, 1974
• Osamu Katsuura7-dan / age 28 ○ Shigeru Sekine8-dan / age 45 ● Jan 27, 1975

Final

• Osamu Katsuura7-dan / age 28 ○ Daigorou Satou8-dan / age 38 ● Apr 7, 1975