| 58th Okan Tournament | ||||
|---|---|---|---|---|
| Takahashi Masumi | Takahashi Masumi | Takahashi Masumi | Shida Tatsuya | Mutsuura Yuta |
| Hikosaka Naoto | ||||
| Matsuoka Hideki | ||||
| Shida Tatsuya | Shida Tatsuya | Shida Tatsuya | ||
| Bian Wenkai | ||||
| Katayama Yasuo | ||||
| Yanagisawa Satoshi | Yanagisawa Satoshi | Yanagisawa Satoshi | Mutsuura Yuta | |
| Shinoda Mitsuaki | ||||
| O Keii | ||||
| Nakano Hironari | Mutsuura Yuta | Mutsuura Yuta | ||
| Mutsuura Yuta | ||||
| Hane Naoki | ||||
| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 2017-11-13 | Mutsuura Yuta | Ida Atsushi | W+R | 174 | sgf |
Ida Atsushi retains the Okan title.