The 2005 WGC-World Cup took place 17–20 November at the Oceânico Golf on its Victoria Course in Vilamoura, Algarve, Portugal. It was the 51st World Cup and the sixth as a World Golf Championship event.
Qualification and format
The defending champion was joined by 18 teams based on the Official World Golf Ranking and five teams via qualification. The tournament was scheduled to be a 72-hole stroke play team event with each team consisting of two players. The first and third days were fourball play and the second and final days were foursomes play. The final round was canceled due to rain. ==Teams==