56th Judan-sen
Host Organization: Sankei Shimbun
Title match
| Players | 1st round 03-06 Higashiosaka Osaka |
2nd round 03-22 Toda Saitama |
3rd round 04-12 Omachi Nagano |
4th round 04-20 Osaka Osaka |
5th round 04-26 Osaka Osaka |
|---|---|---|---|---|---|
| Iyama Yuta (Judan) | W+R | B+R | W+4.5 | ||
| Murakawa Daisuke (8 dan) |
Iyama Yuta kept the title by 3-0.
The win-loss records; Iyama Yuta 14-3 Murakawa Daisuke.
The win-loss records; Iyama Yuta 14-3 Murakawa Daisuke.
Tournament table
| Players | 1st round | 2nd round | 3rd round | Semifinals | Challenger decision match |
|---|---|---|---|---|---|
| Yamashita Keigo(9d) | Murakawa D W+5.5 10-19 |
Murakawa D W+0.5 11-30 |
Murakawa D B+0.5 12-14 |
Murakawa D W+R 01-25 | |
| Motoki Katsuya(8d) | Murakawa D W+R 09-28 | ||||
| Murakawa Daisuke(8d) | |||||
| O Rissei(9d) | Yu Zhengqi W+5.5 10-26 | ||||
| Yu Zhengqi(7d) | |||||
| So Yokoku(9d) | Kyo Kagen W+R 10-27 |
Kyo Kagen W+R 11-16 | |||
| Akiyama Jiro(9d) | Kyo Kagen B+7.5 10-05 | ||||
| Kyo Kagen(7d) | |||||
| Hane Naoki(9d) | Hane N B+0.5 10-19 | ||||
| Kim Sujun(8d) | |||||
| Yuki Satoshi(9d) | Shida T W+3.5 10-12 |
Shida T W+3.5 12-07 |
Shida T B+1.5 12-21 | ||
| Adachi Toshimasa(5d) | Shida T W+R 09-28 | ||||
| Shida Tatsuya(7d) | |||||
| O Meien(9d) | O Meien B+0.5 10-05 | ||||
| Hatanaka Hoshinobu(4d) | |||||
| Ichiriki Ryo(8d) | Ichiriki R W+R 10-05 |
Ichiriki R W+R 12-07 | |||
| Rin Shien(8d) | Nakano Y W+R 09-21 | ||||
| Nakano Yasuhiro(9d) | |||||
| Imamura Toshiya(9d) | Ida A W+R 11-09 | ||||
| Ida Atsushi(8d) | |||||
History; 2017-09-09 Table was created. 2017-09-15,22,29 Updated. 2017-10-07,14,20,27 Updated. 2017-11-03,10,17,24 Updated. 2017-12-01,08,16,22 Updated. 2018-01-19,26 Updated. 2018-03-10,24 Updated. 2018-04-14 Updated.
The last preliminary tournament
| Players | 1st round | Final |
|---|---|---|
| Koyama Kuya(3d) | O Meien W+1.5 08-10 | |
| O Meien(9d) | O Meien W+R 06-15 | |
| Takei Takashi(7d) | ||
| Ichiriki Ryo(7d) | Ichiriki R B+R 07-06 | |
| Kurahashi Masayuki(9d) | Kurahashi M B+R 06-08 | |
| Shuto Shun(7d) | ||
| O Rissei(9d) | O Rissei B+R 07-20 | |
| Kono Rin(9d) | Kono R B+R 06-15 | |
| Kiyonari Tetsuya(9d) | ||
| Seto Taiki(8d) | So Yokoku B+R 07-20 | |
| Takahashi Masumi(3d) | So Yokoku B+R 06-08 | |
| So Yokoku(9d) | ||
| Yo Chito(4d) | Rin Shien W+6.5 06-15 | |
| Rin Shien(8d) | ||
| Nakane Naoyuki(9d) | Nakano Y B+R 06-22 | |
| Nakano Yasuhiro(9d) | ||
| Akiyama Jiro(9d) | Akiyama J B+R 07-13 | |
| Han Zenki(8d) | ||
| Ogaki Yusaku(9d) | Adachi T W+4.5 06-15 | |
| Adachi Toshimasa(4d) | ||
| Hikosaka Naoto(9d) | Kim Sujun W+R 07-06 | |
| Kim Sujun(8d) | Kim Sujun W+R 05-25 | |
| Yoda Norimoto(9d) | ||
| Yamashiro Hiroshi(9d) | Murakawa D W+R 07-06 | |
| Kato Atsushi(9d) | Murakawa D B+R 06-08 | |
| Murakawa Daisuke(8d) | ||
| Ida Atsushi(8d) | Ida A W+R 09-07 | |
| Cho Sonjin(9d) | Cho Sonjin W+R 06-01 | |
| Yamada Kimio(9d) | ||
| Rin Kanketsu(7d) | Shida T B+0.5 08-24 | |
| Shida Tatsuya(7d) | Shida T W+R 06-01 | |
| Kato Yuki(6d) | ||
| Hatanaka Hoshinobu(4d) | Hatanaka H Default 06-22 | |
| Nakaonoda Tomomi(9d) | ||
| Sakai Hideyuki(8d) | Motoki K B+0.5 07-20 | |
| Motoki Katsuya(8d) | ||
| Takao Shinji(M) | Kyo Kagen B+R 08-10 | |
| Kyo Kagen(4d) | ||
| Ko Iso(8d) | Yuki S B+R 08-10 | |
| Yuki Satoshi(9d) | ||
Note; (M); Meijin History; 2017-05-12 Table was created. 2017-05-19,26 Updated. 2017-06-02,10,16,24 Updated. 2017-07-01,07,15,22 Updated. 2017-08-04,11,18,25 Updated. 2017-09-03,09 Updated.