Judan

Established in 1962 by the Sankei Shimbun newspaper, the Judan ("Tenth Dan") is the fourth-oldest of Japan's seven major titles, with a winner's prize of approximately 14 million yen. Its name evokes the pinnacle of Go rank -- historically, 9-dan was the highest official grade, so "Tenth Dan" symbolically places the champion beyond even that ceiling. The Judan stands out for its unusual double-elimination preliminary format: a player who loses in the winners' bracket drops to a losers' bracket rather than being eliminated, and the two bracket winners face off to determine who challenges the defending champion in a best-of-five title match.

Country Japan Type Title Match Format Knockout Title Cycle 1y Komi 6.5 Editions 65

2026 · Edition #65

Champion: Kyo Kagen  ·  Runner-up: Fujita Akihiko
Preliminary Final 2 games
Final Preliminary, Group Final 3 games
A Preliminary, Group Final 6 games
Challengers' Final 1 game
Preliminary C 18 games
Preliminary B 23 games
Preliminary A 48 games
Apr 15 Tanaka Koyu B+R Mishima Hibiki Apr 21 Tanaka Koyu B+R Mishima Hibiki Apr 22 Sakakibara Masateru W+R Kawabata Atsushi May 4 Kurahashi Masayuki B+R Hasegawa Sunao May 11 Kumaki Teruya B+R Francis Meyer May 11 Son Hideyo W+R Watanabe Kandai May 24 Hashimoto Kan B+R Ono Ayako May 27 Omote Yuto B+R Hatanaka Hoshinobu May 27 Kurahashi Masayuki W+R U Boi May 27 Hara Masakazu B+R Yokota Shigeaki May 28 Okuma Yuto W+1.5 Imabun Taro May 31 Kimu Pyonmin B+0.5 Kiyonari Tetsuya Jun 4 Jo Bunen B+R Son Makoto Jun 6 Jo Bunen W+R Son Makoto Jun 6 Abe Yoshiki W+R Furuya Yutaka Jun 6 Yuki Satoshi B+R Inoue Naoki Jun 6 Kawabata Atsushi W+0.5 Yata Naoki Jun 6 Seto Taiki B+R Nishimura Jin Jun 11 Shida Tatsuya B+R Nakano Hironari Jun 11 Xie Yimin B+0.5 Onishi Ryuhei Jun 15 Hane Naoki B+5.5 Yanagisawa Satoshi Jun 15 Anzai Nobuaki W+R Yo Chito Jun 15 Terayama Rei W+R Ito Masashi Jun 15 Rin Kanketsu W+R Hirose Yuichi Jun 15 Yokotsuka Riki B+13.5 Kato Atsushi Jun 17 Kumaki Teruya B+R Kimu Pyonmin Jun 18 Kuwabara Itsuki W+R Takao Shinji Jun 18 Matsumoto Takehisa W+R Han Zenki Jun 18 Sho Gyokuyo B+3.5 Morita Michihiro Jun 18 Sakai Yuki B+2.5 Yoda Ozora Jun 18 Adachi Toshimasa B+R Miura Taro Jun 18 Takao Mari W+R Tsuruta Kazushi Jun 20 Nishi Takenobu B+R Tanaka Kentaro Jun 22 Kikkawa Hajime W+R Otake Yu Jun 22 Hashimoto Yujiro W+R Cho U Jun 22 Tsuruyama Atsushi W+1.5 Cho Riyu Jun 24 Yuki Satoshi W+R Fujii Shuya Jul 6 Ueno Risa W+R Kono Rin Jul 6 Takeuchi Kosuke B+R Takao Shinji Jul 13 Yokotsuka Riki B+R Mimura Tomoyasu Jul 16 Shida Tatsuya B+R Hane Naoki Jul 16 Otake Yu B+1.5 Yamashiro Hiroshi Jul 16 Fujii Koki B+R Adachi Toshimasa Jul 23 Yo Chito W+2.5 Uchida Shuhei Jul 23 Hirose Yuichi W+R Cho Riyu Jul 23 Hamakado Hibiki W+3.5 Ko Iso Jul 27 Sakai Yuki B+R Xie Yimin Jul 27 Yokotsuka Riki B+R Mimura Tomoyasu
Preliminary 15 games
C Preliminary 1 game
A Preliminary 1 game
2026-09-03 1 game
2026-08-27 1 game
2026-03-16 1 game
2026-03-04 2 games
2026-02-20 2 games

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