66th Okan
Organizers: Chunichi Shimbun, Nihon Kiin Chubu Headquarters
Title match
| Players | 1st round2025-12-04NagoyaAichi |
|---|---|
| Ida Atsushi (Okan) | |
| Shida Tatsuya (8 dan) |
Tournament table
| Players | 1st round | 2nd round | Semifinals | Challenger decision match |
|---|---|---|---|---|
| Tsuruta Kazushi(7d) | Tsuruta KazushiB+0.512-23 | Tsuruta KazushiW+R06-02 | Shida TatsuyaB+R08-04 | Shida TatsuyaW+R10-09 |
| Nishioka Masao(4d) | ||||
| Imamura Yoshiaki(9d) | ||||
| Hane Naoki(9d) | Shimojima YoheiB+1.502-06 | Shida TatsuyaW+R05-08 | ||
| Shimojima Yohei(8d) | ||||
| Shida Tatsuya(8d) | ||||
| Bian Wenkai(4d) | Yamashiro HiroshiB+2.501-16 | Yamashiro HiroshiB+R07-03 | Mutsuura YutaW+3.509-18 | |
| Yamashiro Hiroshi(9d) | ||||
| Hane Yasumasa(9d) | ||||
| Kato Chie(3d) | Hoda ShotaW+3.503-06 | Mutsuura YutaB+R04-07 | ||
| Hoda Shota(2d) | ||||
| Mutsuura Yuta(8d) | ||||