Okan

The Okan (Crown) is a regional title of the Nihon Ki-in's Chubu (Nagoya) branch, sponsored by the Chunichi Newspaper. A 12-player knockout determines a challenger who faces the titleholder in a single-game title match.

Country Japan Type Title Match Format Knockout Title Cycle 1y Komi 6.5 Editions 52

2025 · Edition #67

Preliminary B 4 games

Jun 12 Hane Ayaka W+R Yanagisawa Satoshi Jun 16 Takao Mari B+R Shiga Tsukasa Jun 23 Terada Shuta B+R O Keii Jul 14 Yanagisawa Satoshi W+R Oba Junya

Preliminary A 3 games

Sep 29 Shimojima Yohei W+R Hikosaka Naoto Oct 2 Hane Naoki B+R Terada Shuta Nov 13 Oba Junya W+R Mutsuura Yuta

Preliminary 2 games

Sep 23 Nishioka Masao W+R Otake Yu Oct 4 Nakano Hironari W+2.5 Imamura Yoshiaki

2025-10-04 1 game

Oct 4 Shimojima Yohei W+R Hikosaka Naoto