77th Honinbo, Last Preliminary

Last preliminary of the 77th Honinbo tournament

In a knock-out system, the 28 winners of the Preliminaries A (including 4 Kansai Ki-in players), together with the 4 players Tsuruyama Atsushi, Sada Atsushi, Ko Iso and Onishi Ryuhei who were demoted from the 76th Honinbo League, compete in 4 groups of 8 for a place in the League.

77th Honinbo, Last Preliminary
Takao Shinji	Koike Yoshihiro W+R 2021-06-10	Koike Yoshihiro	Motoki Katsuya W+R 2021-09-02
Koike Yoshihiro	Koike Yoshihiro W+R 2021-06-10
Seto Taiki	Shida Tatsuya B+4.5 2021-06-17
Shida Tatsuya	Shida Tatsuya B+4.5 2021-06-17
Motoki Katsuya	Motoki Katsuya	Motoki Katsuya
Yao Zhiteng	Motoki Katsuya
Cho U	Onishi Ryuhei W+2.5 2021-06-14
Onishi Ryuhei	Onishi Ryuhei W+2.5 2021-06-14
Cho Sonjin	Hikosaka Naoto B+R 2021-06-10	Koyama Kuya B+2.5 2021-07-29	Sada Atsushi W+2.5 2021-08-26
Hikosaka Naoto	Hikosaka Naoto B+R 2021-06-10
Koyama Kuya	Koyama Kuya
Kawada Kohei	Koyama Kuya
Inaba Takahiro	Fukuoka Kotaro B+3.5 2021-05-27	Sada Atsushi B+3.5 2021-08-02
Fukuoka Kotaro	Fukuoka Kotaro B+3.5 2021-05-27
Mutsuura Yuta	Sada Atsushi
Sada Atsushi	Sada Atsushi
Yu Zhengqi	Yu Zhengqi W+1.5 2021-06-03	Yu Zhengqi W+2.5 2021-08-02	Yu Zhengqi W+R 2021-09-02
Kobayashi Satoru	Yu Zhengqi W+1.5 2021-06-03
Tsuneishi Takashi	Tsuneishi Takashi
Ohashi Naruya	Tsuneishi Takashi
Hirata Tomoya	Yamashita Keigo W+R 2021-07-01	Ko Iso W+R 2021-07-29
Yamashita Keigo	Yamashita Keigo W+R 2021-07-01
Seki Kotaro	Ko Iso
Ko Iso	Ko Iso
Yuki Satoshi	Ogata Masaki B+5.5 2021-06-21	Anzai Nobuaki	Tsuruyama Atsushi B+R 2021-09-09
Ogata Masaki	Ogata Masaki B+5.5 2021-06-21
Nakane Naoyuki	Anzai Nobuaki
Anzai Nobuaki	Anzai Nobuaki
Numadate Sakiya	Suzuki Ayumi B+R 2021-06-10	Tsuruyama Atsushi
Suzuki Ayumi	Suzuki Ayumi B+R 2021-06-10
Taniguchi Toru	Tsuruyama Atsushi
Tsuruyama Atsushi	Tsuruyama Atsushi