Japan beat Uzbekistan 1-0 here Saturday to become the first country to qualify for the 2010 World Cup.
Shinji Okazaki s ninth-minute goal put Japan on 14 points on top of Asian qualifying zone Group A to assure them of a top two finish and direct qualification to South Africa.
This will be Japan s fourth appearance at the World Cup.
Australia can become the second team to qualify if they win or draw against Qatar in Doha later Saturday.