World Oza
The Toyota-Denso Cup - World Oza was an international Go competition, sponsored by auto maker Toyota and parts manufacturer Denso.[1]
Outline
The World Oza, sponsored by ToyotaDenso of Japan, was regarded as the newest international tournament, the first sponsored by a Japanese company.
32 players were invited from the following countries/regions:
- 10 from  Japan Japan
- 7 from  China China
- 7 from  South Korea South Korea
- 1 from  Chinese Taipei Chinese Taipei
- 3 from Europe
- 2 from North America
- 3 from the rest of Asia/Oceania/Africa
- 1 from South America
The tournament was held every 2 years. The first rounds were knockouts, and the final match is a best-of-three. The winner's purse is 30,000,000 Yen ($285,000) and a new Toyota car that is worth almost 10,000,000 Yen ($95,000).
As of June 16, 2009, the Nihon Ki-in has confirmed that the Toyota & Denso Cup World Go Oza has been canceled by the sponsors.
Winners & runners-up
| Year | Nat. | Winner | Score | Nat. | Runner-up | 
|---|---|---|---|---|---|
| 2002-2003 |  | Lee Chang-ho | 1–0 |  | Chang Hao | 
| 2004-2005 | Lee Sedol | 2–1 | |||
| 2006-2007 | 2–1 |  | Cho U | ||
| 2008-2009 |  | Gu Li | 2–0 |  | Piao Wenyao | 
References
- ^ "NihonKi-in_GoHomePage". archive.nihonkiin.or.jp. Retrieved 2025-08-03.