| 59th Okan Tournament | ||||
|---|---|---|---|---|
| Katayama Yasuo | Yanagisawa Satoshi | Takahashi Masumi | Takahashi Masumi | Nakano Hironari W+R 2018-10-18 |
| Yanagisawa Satoshi | ||||
| Takahashi Masumi | ||||
| Kato Yuki | Miyagawa Fumihiko | Miyagawa Fumihiko | ||
| Miyagawa Fumihiko | ||||
| Ogata Masaki | ||||
| Hikosaka Naoto | Tsuruta Kazushi | Hane Naoki | Nakano Hironari W+R 2018-09-20 |
|
| Tsuruta Kazushi | ||||
| Hane Naoki | ||||
| Ito Kenryo | Nakano Hironari | Nakano Hironari | ||
| Nakano Hironari | ||||
| Mutsuura Yuta | ||||
| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 2018-11-25 | Nakano Hironari | Ida Atsushi | W+2.5 | 252 | sgf |
Ida Atsushi retains the Okan title.