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Tournaments › Oza-sen › FY2027

75th term Oza-sen (FY2027)

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Prelim 1 (71 games)

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Final
Rintarou Iwamura4-dan / age 20○
Yoshitaka Hoshino5-dan / age 38●
Oct 27, 2026
Round 2
Rintarou Iwamura4-dan / age 20○
Naoki Koyama4-dan / age 26●
Sep 2, 2026
Round 1
Rintarou Iwamura4-dan / age 20○
Tadao Kitajima7-dan / age 60●
Aug 13, 2026
Seed
Naoki Koyama4-dan / age 26
Round 2
Yoshitaka Hoshino5-dan / age 38○
Shingo Itoh6-dan / age 44●
Oct 1, 2026
Round 1
Shingo Itoh6-dan / age 44○
Yasuaki Tsukada9-dan / age 61●
Aug 12, 2026
Seed
Yoshitaka Hoshino5-dan / age 38
Round 3
Kouhei Funae7-dan / age 39○
Shogo Orita5-dan / age 36●
Oct 16, 2026
Round 2
Shogo Orita5-dan / age 36○
Keita Inoue9-dan / age 62●
Aug 20, 2026
Round 2
Kouhei Funae7-dan / age 39○
Tomohiro Murata7-dan / age 45●
Sep 7, 2026
Round 1
Tomohiro Murata7-dan / age 45○
Shingo Hirafuji7-dan / age 62●
Aug 14, 2026
Seed
Kouhei Funae7-dan / age 39
Round 3
Hiroshi Miyamoto6-dan / age 40○
Kenji Imaizumi5-dan / age 53●
Oct 20, 2026
Round 2
Hiroshi Miyamoto6-dan / age 40○
Masataka Sugimoto8-dan / age 57●
Aug 20, 2026
Round 2
Kenji Imaizumi5-dan / age 53○
Masahiko Urano8-dan / age 62●
Sep 8, 2026
Round 1
Masahiko Urano8-dan / age 62○
Isao Nakata8-dan / age 59●
Aug 13, 2026
Seed
Kenji Imaizumi5-dan / age 53

Bracket 1

Quarterfinal

Semifinal

Final

Bracket 2

Quarterfinal

Semifinal

Final

Bracket 3

Quarterfinal

Semifinal

Final

DateStage / roundWinnerLoser
Aug 10, 2026Prelim 1 Round 2Kei Honda6-dan / age 29 ○Daisuke Nakagawa8-dan / age 58 ●
Aug 10, 2026Prelim 1 Round 1Yoshiyuki Kubota7-dan / age 54 ○Takehiro Ohira6-dan / age 49 ●
Aug 10, 2026Prelim 1 Round 2Akihiro Ida5-dan / age 29 ○Akihiro Murata6-dan / age 40 ●
Aug 12, 2026Prelim 1 Round 2Hiroki Taniai5-dan / age 32 ○Hiroki Iizuka8-dan / age 57 ●
Aug 12, 2026Prelim 1 Round 2Yuuki Saito4-dan / age 30 ○Reo Kurosawa6-dan / age 34 ●
Aug 12, 2026Prelim 1 Round 2Sakio Chiba7-dan / age 47 ○Issei Takazaki7-dan / age 39 ●
Aug 12, 2026Prelim 1 Round 2Kenjirou Abe7-dan / age 37 ○Shuji Muranaka7-dan / age 45 ●
Aug 13, 2026Prelim 1 Round 1Hideyuki Takano7-dan / age 54 ○Masakazu Watanabe6-dan / age 40 ●
Aug 13, 2026Prelim 1 Round 1Ichiro Hiura8-dan / age 60 ○Hiroshi Kamiya8-dan / age 65 ●
Aug 13, 2026Prelim 1 Round 2Mikio Kariyama5-dan / age 24 ○Kazuhiro Nishikawa6-dan / age 40 ●
Aug 14, 2026Prelim 1 Round 1Ryo Shimamoto6-dan / age 46 ○福間香奈 ●
Aug 17, 2026Prelim 1 Round 1Yuto Kawamura4-dan / age 27 ○Taku Morishita9-dan / age 60 ●
Aug 18, 2026Prelim 1 Round 1Shuji Satoh8-dan / age 59 ○Ryosuke Nakamura6-dan / age 40 ●
Aug 19, 2026Prelim 1 Round 2Reo Koyama4-dan / age 33 ○Kota Kanai6-dan / age 40 ●
Aug 19, 2026Prelim 1 Round 1Yuya Nagaoka6-dan / age 41 ○Yoshikazu Minami9-dan / age 63 ●
Aug 19, 2026Prelim 1 Round 2Takashi Ikenaga6-dan / age 33 ○Naruyuki Hatakeyama8-dan / age 57 ●
Aug 19, 2026Prelim 1 Round 1Hiroto Ikegaki4-dan / age 23 ○小林 裕士8-dan / age 49 ●
Aug 20, 2026Prelim 1 Round 1Wataru Kamimura5-dan / age 39 ○Yoshiyuki Matsumoto7-dan / age 54 ●
Aug 20, 2026Prelim 1 Round 1Takanori Anyouji7-dan / age 51 ○Shinya Yamamoto6-dan / age 54 ●
Aug 21, 2026Prelim 1 Round 1Yugo Takeuchi5-dan / age 38 ○Norihiro Yagura7-dan / age 51 ●
Aug 21, 2026Prelim 1 Round 2Yuta Ishikawa5-dan / age 31 ○Toshiki Sumisaki4-dan / age 18 ●
Aug 24, 2026Prelim 1 Round 1Kiyokazu Katsumata7-dan / age 57 ○Takahiro Toyokawa7-dan / age 59 ●
Aug 24, 2026Prelim 1 Round 1Shiryu Katayama4-dan / age 21 ○Akira Shima9-dan / age 63 ●
Aug 26, 2026Prelim 1 Round 1Kazushiza Horiguchi8-dan / age 51 ○伊藤沙恵 ●
Aug 28, 2026Prelim 1 Round 2Yuichi Tanaka6-dan / age 41 ○Junpei Ide5-dan / age 35 ●
Aug 28, 2026Prelim 1 Round 2Yusuke Toyama6-dan / age 46 ○Keiichi Sanada8-dan / age 53 ●
Aug 28, 2026Prelim 1 Round 1Shoji Segawa6-dan / age 56 ○Michio Takahashi9-dan / age 66 ●
Aug 28, 2026Prelim 1 Round 1Mitsunori Makino6-dan / age 38 ○Kanta Masegi5-dan / age 28 ●
Aug 31, 2026Prelim 1 Round 2Kenta Miyajima4-dan / age 27 ○Daisuke Suzuki9-dan / age 52 ●
Sep 2, 2026Prelim 1 Round 1Tetsuya Fujimori6-dan / age 39 ○Masakazu Kondoh7-dan / age 55 ●
Sep 3, 2026Prelim 1 Round 1Ao Kokubo4-dan / age 20 ○Eisaku Tomioka9-dan / age 62 ●
Sep 3, 2026Prelim 1 Round 2Takashi Abe9-dan / age 59 ○Ryo Shimamoto6-dan / age 46 ●
Sep 14, 2026Prelim 1 Round 2Daichi Sasaki7-dan / age 31 ○Osamu Nakamura9-dan / age 63 ●
Sep 14, 2026Prelim 1 Round 1Jodai Furui4-dan / age 22 ○Hiroshi Okazaki7-dan / age 59 ●
Sep 24, 2026Prelim 1 Round 2Ryuma Yoshiike4-dan / age 21 ○Wataru Kamimura5-dan / age 39 ●
Sep 24, 2026Prelim 1 Round 2Akira Nishio7-dan / age 46 ○Yujirou Takahashi4-dan / age 27 ●
Sep 25, 2026Prelim 1 Round 2Wataru Yashiro8-dan / age 32 ○Shiryu Katayama4-dan / age 22 ●
Sep 25, 2026Prelim 1 Round 1Kazuki Yamashita4-dan / age 18 ○中七海 ●
Oct 2, 2026Prelim 1 Round 2Eiji Iijima8-dan / age 47 ○Yoshiyuki Kubota7-dan / age 54 ●
Oct 2, 2026Prelim 1 Round 2Tetsuya Fujimori6-dan / age 39 ○Hiroshi Yamamoto5-dan / age 30 ●
Oct 2, 2026Prelim 1 Round 2Keita Kadokura6-dan / age 39 ○Kiyokazu Katsumata7-dan / age 57 ●
Oct 2, 2026Prelim 1 Round 1Saito Morimoto4-dan / age 25 ○Kenji Kanzaki8-dan / age 62 ●
Oct 2, 2026Prelim 1 Round 2Satoru Sakaguchi6-dan / age 48 ○Yuya Nagaoka6-dan / age 41 ●
Oct 6, 2026Prelim 1 Round 2Hirotaka Nozuki8-dan / age 53 ○Manabu Senzaki9-dan / age 56 ●
Oct 6, 2026Prelim 1 Round 2Kohei Hasebe6-dan / age 32 ○Kazushiza Horiguchi8-dan / age 51 ●
Oct 6, 2026Prelim 1 Round 1西山朋佳 ○Shinichi Satoh6-dan / age 44 ●
Oct 8, 2026Prelim 1 Round 2Shinya Satoh7-dan / age 49 ○Hideyuki Takano7-dan / age 54 ●
Oct 14, 2026Prelim 1 Round 2Taiki Yamakawa4-dan / age 28 ○Kouru Abe7-dan / age 31 ●
Oct 14, 2026Prelim 1 Round 2Mamoru Hatakeyama8-dan / age 57 ○Takanori Anyouji7-dan / age 52 ●
Oct 14, 2026Prelim 1 Round 2Akihiro Takada5-dan / age 24 ○Yuya Saito4-dan / age 29 ●
Oct 15, 2026Prelim 1 Round 2Hiromu Watanabe6-dan / age 38 ○Ichiro Hiura8-dan / age 60 ●
Oct 16, 2026Prelim 1 Round 2Jodai Furui4-dan / age 22 ○Takeshi Fujii9-dan / age 56 ●
Oct 16, 2026Prelim 1 Round 2Shuji Satoh8-dan / age 59 ○Hirotaka Kajiura7-dan / age 31 ●
Oct 16, 2026Prelim 1 Round 2Ehoto Osogaguchi4-dan / age 26 ○Ao Kokubo4-dan / age 21 ●
Oct 16, 2026Prelim 1 Round 2Kazuki Yamashita4-dan / age 18 ○Seiya Tomita5-dan / age 30 ●
Oct 21, 2026Prelim 1 Round 2Tatsuya Sanmaido7-dan / age 33 ○Naohiro Ishida6-dan / age 37 ●
Oct 23, 2026Prelim 1 Round 2Yuto Kawamura4-dan / age 27 ○Kosuke Tamura7-dan / age 50 ●
Oct 28, 2026Prelim 1 Round 2Tomoki Yokoyama4-dan / age 26 ○Yugo Takeuchi5-dan / age 38 ●

Stage names are as recorded; exact bracket positions are not known. Terms are divided by the term numbers in the records.