Ōshō (shogi)

The tournament is open to all shogi professionals (正棋士, seikishi) and takes place in four stages.

The winner of the challenger league then advances to a best-of-seven championship match against the reigning Ōshō title holder.

[2] The following is a list of the winners and runners-up for past Ōshō title matches.

An active player may qualify for the title, but it is only officially awarded upon retirement or death.

[19] There is a separate tournament held each year for amateurs called the Amateur Osho Tournament [ja] which is sponsored by the Japan Shogi Association with support from the Igo & Shogi Channel.