51st Gosei
Organizers: Newspaper Go Consortium, The Nihon Ki-in, Kansai Ki-in
Title match
| Players |
1st round2026-06-23OsakaOsaka |
2nd round2026-07-10OsakaOsaka |
3rd round2026-07-21ChiyodaTokyo |
4th round2026-08-10OsakaOsaka |
5th round2026-07-21OsakaOsaka |
| Iyama Yuta (Gosei) |
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| Sada Atsushi (7 dan) |
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Tournament table
| Players |
1st round |
2nd round |
3rd round |
Semifinals |
Challengerdesicionmatch |
| Shibano Toramaru(K) |
Shibano ToramaruB+R02-02 |
Shibano ToramaruW+R03-05 |
Ichiriki RyoW+R04-09 |
Sada AtsushiB+R05-07 |
| Yamashita Keigo(9d) |
Kono RinW+1.512-15 |
| Kono Rin(9d) |
| Xiao Yuyang(3d) |
Omote YutoW+R01-22 |
Mutsuura YutaB+R02-16 |
| Omote Yuto(4d) |
| Cho Zuiketsu(6d) |
Mutsuura YutaB+R01-08 |
| Mutsuura Yuta(8d) |
| Hirose Yuichi(7d) |
Hirose YuichiB+R02-02 |
Sakai YukiB+R03-02 |
Ichiriki RyoW+R03-30 |
| Fukuoka Kotaro(7d) |
| Ueno Asami(6d) |
Sakai YukiW+2.512-22 |
| Sakai Yuki(7d) |
| Ko Iso(9d) |
Ko IsoB+R01-15 |
Ichiriki RyoW+R02-09 |
| Yu Zhengqi(9d) |
| Ichiriki Ryo(M) |
| Rin Kanketsu(8d) |
Murakawa DaisukeW+R02-26 |
Sada AtsushiB+1.504-02 |
Sada AtsushiW+0.504-16 |
| Adachi Toshimasa(7d) |
Murakawa DaisukeB+R01-15 |
| Murakawa Daisuke(9d) |
| Hikosaka Naoto(9d) |
Sada AtsushiW+0.501-19 |
Sada AtsushiW+0.502-04 |
| Sada Atsushi(7d) |
| Kurahashi Masayuki(9d) |
Kurahashi MasayukiB+R12-22 |
| Yamashiro Hiroshi(9d) |
| Muramoto Wataru(5d) |
Muramoto WataruW+R12-11 |
Muramoto WataruB+R02-23 |
Kyo KagenB+1.503-30 |
| Koyama Kuya(7d) |
| Seto Taiki(8d) |
Seto TaikiB+R01-08 |
| Shida Tatsuya(8d) |
| Kyo Kagen(9d) |
Kyo KagenW+R12-15 |
Kyo KagenB+R02-05 |
| Motoki Katsuya(9d) |
| Otake Yu(7d) |
Preliminary tournament A
-
| Xiao Yuyang(3d) |
Xiao YuyangB+R08-28 |
Xiao YuyangB+4.510-09 |
| Ri Ishu(8d) |
| Han Zenki(8d) |
Cho UB+8.508-18 |
| Cho U(9d) |
-
| Son Makoto(7d) |
Seki KotaroW+R09-08 |
Adachi ToshimasaB+1.510-09 |
| Seki Kotaro(9d) |
| Rin Shien(8d) |
Adachi ToshimasaW+8.508-14 |
| Adachi Toshimasa(7d) |
-
| Koyama Kuya(7d) |
Koyama KuyaB+R08-18 |
Koyama KuyaW+R09-29 |
| Fujita Akihiko(8d) |
| Ko Reibun(7d) |
Miura TaroW+R08-14 |
| Miura Taro(4d) |
-
| Yi Liao(4d) |
Yi LiaoB+R08-04 |
Ko IsoB+R09-25 |
| Tsuruyama Atsushi(8d) |
| Kondo Toshiki(3d) |
Ko IsoW+R09-01 |
| Ko Iso(9d) |
-
| Kuwabara Itsuki(2d) |
Kono RinW+R08-07 |
Kono RinW+R09-18 |
| Kono Rin(9d) |
| Ogaki Yusaku(9d) |
Ogaki YusakuB+0.508-07 |
| Hirata Tomoya(8d) |
-
| Mizokami Tomochika(9d) |
Sakai YukiB+R08-07 |
Sakai YukiB+R09-25 |
| Sakai Yuki(6d) |
| Numadate Sakiya(7d) |
Anzai NobuakiW+R08-07 |
| Anzai Nobuaki(8d) |
-
| Takanashi Seiken(9d) |
Takanashi SeikenW+R08-11 |
Ueno AsamiB+R09-18 |
| Akiyama Jiro(9d) |
| Ueno Asami(6d) |
Ueno AsamiB+R08-04 |
| Ryu Shikun(9d) |
-
| Xie Yimin(7d) |
Koike YoshihiroB+2.509-18 |
Kyo KagenB+R09-25 |
| Koike Yoshihiro(7d) |
| Cho Chikun(HM) |
Kyo KagenB+R08-28 |
| Kyo Kagen(9d) |
-
| Ito Masashi(6d) |
Ito MasashiW+3.508-07 |
Motoki KatsuyaB+7.509-22 |
| Komatsu Hideki(9d) |
| Kim Sujun(9d) |
Motoki KatsuyaW+5.508-14 |
| Motoki Katsuya(9d) |
-
| Fujii Koki(3d) |
Fukuoka KotaroB+R08-14 |
Fukuoka KotaroB+R09-15 |
| Fukuoka Kotaro(7d) |
| Kibe Natsuki(3d) |
Kibe NatsukiW+R09-01 |
| Fujisawa Rina(7d) |
-
| Cho Zuiketsu(6d) |
Cho ZuiketsuB+R08-18 |
Cho ZuiketsuW+R09-22 |
| Kobayashi Satoru(9d) |
| Yoda Ozora(2d) |
Yamada TakujiB+4.508-07 |
| Yamada Takuji(8d) |
-
| Onishi Ryuhei(7d) |
Onishi RyuheiDefault08-11 |
Onishi RyuheiW+R09-01 |
Yamashita KeigoB+0.510-02 |
| Aoki Hirotaka(3d) |
| Nyu Eiko(4d) |
| Yamashita Keigo(9d) |
Yamashita KeigoW+R08-14 |
| Mitani Tetsuya(8d) |
-
| Hirose Yuichi(7d) |
Hirose YuichiB+R08-14 |
Hirose YuichiW+R09-29 |
| Onishi Kenya(6d) |
| Yokotsuka Riki(7d) |
Takeuchi KosukeW+R08-07 |
Takeuchi KosukeW+12.508-28 |
| Takeuchi Kosuke(5d) |
| Tajiri Yuto(5d) |
-
| Nakamura Shinya(9d) |
Muramoto WataruB+2.508-21 |
Muramoto WataruB+10.510-16 |
| Muramoto Wataru(5d) |
| Yamamori Tadanao(7d) |
Oba JunyaW+4.508-21 |
| Oba Junya(8d) |
-
| Konishi Yoshiakira(3d) |
Konishi YoshiakiraB+R09-18 |
Hikosaka NaotoW+R10-23 |
| Ida Atsushi(9d) |
| Nakano Shoya(3d) |
Hikosaka NaotoW+R08-21 |
| Hikosaka Naoto(9d) |
-
| Goto Hajimu(2d) |
Mutsuura YutaB+R09-22 |
Mutsuura YutaB+R10-16 |
| Mutsuura Yuta(8d) |
| Terada Shuta(3d) |
Ohashi NaruyaW+R08-21 |
| Ohashi Naruya(8d) |
-
| Imamura Yoshiaki(9d) |
Shida TatsuyaB+R08-18 |
Shida TatsuyaW+R10-16 |
| Shida Tatsuya(8d) |
| Kikkawa Hajime(4d) |
Kikkawa HajimeW+2.509-04 |
| Nakane Naoyuki(9d) |
-
| Muramatsu Hiroki(7d) |
Muramatsu HirokiW+R08-25 |
Yamashiro HiroshiW+R10-02 |
| Yamada Kimio(9d) |
| Ikemoto Ryota(4d) |
Yamashiro HiroshiB+2.508-21 |
| Yamashiro Hiroshi(9d) |
-
| Hara Masakazu(4d) |
Hara MasakazuW+R08-06 |
Kunisawa HirotoW+5.508-20 |
Seto TaikiW+R10-22 |
| Maeda Ryo(6d) |
| Tanaka Kentaro(1d) |
Kunisawa HirotoW+0.508-06 |
| Kunisawa Hiroto(4d) |
| Okuma Yuto(2d) |
Nishimura JinW+1.506-19 |
Seto TaikiB+R07-17 |
| Nishimura Jin(2d) |
| Takahashi Suketasu(1d) |
Seto TaikiB+4.505-21 |
| Seto Taiki(8d) |
-
| Imabun Taro(4d) |
Imabun TaroB+1.509-17 |
Omote YutoB+R10-16 |
Omote YutoB+R11-13 |
| Mine Yasuhiro(4d) |
| Furuya Yutaka(9d) |
Omote YutoW+R09-24 |
| Omote Yuto(3d) |
| Kumaki Teruya(2d) |
Fujii ShuyaB+5.508-06 |
Fujii ShuyaW+R10-02 |
| Fujii Shuya(8d) |
| Ha Youngil(7d) |
Yuki SatoshiW+6.506-11 |
| Yuki Satoshi(9d) |
-
| Hon Akiyoshi(5d) |
Hon AkiyoshiB+R07-09 |
Takatsu MasaakiW+2.508-21 |
Murakawa DaisukeW+R10-08 |
| Yata Naoki(9d) |
| Takatsu Masaaki(3d) |
Takatsu MasaakiW+R05-19 |
| Kiyonari Mao(2d) |
| Imamura Toshiya(9d) |
Tsuji ShigehitoB+R07-30 |
Murakawa DaisukeW+R09-24 |
| Tsuji Shigehito(5d) |
| Hoshikawa Takumi(5d) |
Murakawa DaisukeB+R07-02 |
| Murakawa Daisuke(9d) |
-
| Sada Atsushi(7d) |
Sada AtsushiW+R05-21 |
Sada AtsushiW+R09-03 |
Sada AtsushiB+R10-22 |
| Suzuki Keiji(6d) |
| Inoue Naoki(4d) |
Kiyonari TetsuyaB+R07-23 |
| Kiyonari Tetsuya(9d) |
| Nakano Yasuhiro(9d) |
Tatsumi AkaneB+R09-04 |
Wu BoyiW+R09-25 |
| Tatsumi Akane(4d) |
| Hirata Shu(1d) |
Wu BoyiW+R05-28 |
| Wu Boyi(6d) |
-
| Abe Yoshiki(5d) |
Chin KaeiW+R08-20 |
Watanabe KandaiW+21.510-01 |
Yu ZhengqiB+R10-20 |
| Chin Kaei(9d) |
| Watanabe Kandai(4d) |
Watanabe KandaiB+R08-28 |
| Takashima Takeshi(4d) |
| Konno Tameto(7d) |
Kim ByeongjunB+R06-26 |
Yu ZhengqiW+R08-06 |
| Kim Byeongjun(4d) |
| Yoshida Mika(8d) |
Yu ZhengqiW+R06-18 |
| Yu Zhengqi(8d) |
-
| Taniguchi Toru(5d) |
Takashima YugoB+R08-06 |
Kurahashi MasayukiW+R09-17 |
Kurahashi MasayukiW+R11-12 |
| Takashima Yugo(4d) |
| Kurahashi Masayuki(9d) |
Kurahashi MasayukiW+R09-03 |
| Arakaki Shun(9d) |
| Kubo Katsuaki(9d) |
Meyer FrancisW+4.508-20 |
Tanaka KoyuW+R10-22 |
| Meyer Francis(1d) |
| Hoshikawa Koyo(4d) |
Tanaka KoyuW+R08-27 |
| Tanaka Koyu(5d) |