Ōza

Oza
Full name	Oza
Started	1953
Honorary Winners	Masao Kato
Sponsors	Nihon Kezai
Prize money	¥14 million $173,000 (as of 2 July 2011)
Affiliation	Nihon Ki-in

international title Toyota-Denso Cup - World Go Oza.

Oza (王座, Ōza^?, Japanese for "Throne") is a title in Go. The association that holds this title is the Japanese Nihon Ki-in.

Recently, the format for the tournament was changed to a best of five. The challenger is decided in a tournament of 16 players, other than the title player. The winner's purse is ¥14 million ($173,000).

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