Outline

The World Oza, sponsored by ToyotaDenso of Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, is the newest international tournament. 32 players are invited from the following countries/regions.

• 10 from  Japan Japan
• 7 from  Mainland China China
  China
  Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
  
  
• 7 from  South Korea South Korea
  South Korea
  The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...
  
  
• 1 from  Chinese Taipei Chinese Taipei
  Chinese Taipei
  Chinese Taipei is the designated name used by the Republic of China , commonly known as Taiwan, to participate in some international organizations and almost all sporting events, such as the Olympics, Paralympics, Asian Games and Asian Para Games...
  
  
• 3 from Europe
  Europe
  Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
  
  
• 2 from North America
  North America
  North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
  
  
• 3 from the rest of Asia
  Asia
  Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
  
  /Oceania
  Oceania
  Oceania is a region centered on the islands of the tropical Pacific Ocean. Conceptions of what constitutes Oceania range from the coral atolls and volcanic islands of the South Pacific to the entire insular region between Asia and the Americas, including Australasia and the Malay Archipelago...
  
  /Africa
  Africa
  Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
  
  
• 1 from South America
  South America
  South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...
  
  

The tournament is held every 2 years. The first rounds are 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	South Korea	Lee Chang-ho Lee Chang-ho Lee Chang-ho is a South Korean professional Go player of 9-dan rank. He is regarded by many as one of the strongest modern Go players. He was a student of Cho Hunhyun 9-dan. He is the only player to have won all eight international competitions at least once.-Biography:He turned professional in...	1–0	Mainland China	Chang Hao Chang Hao Chang Hao is a professional Go player. He is a 9 dan Go player from China. He is China's best player of the 1990s and one of the best in the world. Growing up he was a prodigy in China. He has won many titles, two of them international titles. He is best friends with Lee Chang-ho, whom he most...
2004	South Korea	Lee Sedol Lee Sedol Lee Sedol is a South Korean professional Go player of 9-dan rank.-Biography:Many regard Lee Sedol as one of the strongest players of all time. Lee was born in Korea in 1983 and studied at the Hanguk Kiwon. He ranks third in career titles with 37, behind Cho Hunhyun and Lee Chang-ho...	2–1	Mainland China	Chang Hao
2006	South Korea	Lee Sedol	2–1	Japan	Cho U Cho U Cho U Kisei, Oza is a professional Go player. He currently ranks 6th in the most titles won by a Japanese professional; his NEC Cup win in 2011 put him past his teacher Rin Kaiho and Norimoto Yoda. Cho is the only player in history to have held five of the top seven major titles...
2008	Mainland China	Gu Li Gu Li Gu Li is a Chinese professional Go player.- Biography :Gu Li is currently the #1 ranked Chinese player by the Zhongguo Qiyuan. He became a pro in 1994 when he was only 12. In 2006, he won the 10th LG Cup and became the youngest Chinese player to ever win a major international title; as a result,...	2–0	Mainland China	Piao Wenyao Piao Wenyao Piao Wenyao is a Chinese professional Go player of Korean descent currently residing in Harbin, Heilongjiang.- Biography :...