| 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).