Ōza (Go)
| Ōza (Go) | |
|---|---|
| Full name | Ōza |
| Started | 1953 |
| Honorary Winners | Masao Kato |
| Sponsors | The Nikkei |
| Prize money | ¥14 million |
| Affiliation | Nihon Ki-in |
Ōza (王座; "throne") is the second oldest of the seven big titles in Japanese professional Go. The tournament is organised by the Japanese Nihon Ki-in and sponsored by the Nihon Keizai Shinbun, also known as The Nikkei. The six other big Go titles include the Kisei, Meijin, Honinbo, Judan, Tengen, and the Gosei.
As of 2026, there have been 73 iterations of the Ozā tournament since 1953. The winner's prize is currently ¥14,000,000, ranking it fourth largest among the big seven. All professional players of the Nihon Ki-in and Kansai Ki-in can participate in the Ozā.