international title Toyota-Denso Cup - World Go Oza.''
is a title in Go. The association that holds this title is the Japanese Nihon Ki-in.
is one of the seven titles in Japanese professional shogi. The word literally means "king's seat", i.e., " throne". The tournament started in 1953 and was a non-title tournament up until 1982. The challenger for the title is determined through three preliminary rounds. The player that wins three games out of five in the championship match becomes the new Ōza title holder.