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International football club competition in Oceania
The 1999 OFC Club Championship group stage ran from 18 to 22 September 1999. Nine teams competed in the group stage to decide the four places in the knockout stage of the 1999 OFC Club Championship.
Format
In each group, teams played against each other in a round-robin format. The top two teams of each group advanced to the semi-finals. The last spot of the semi-finals were decided by the best second-placed teams, while the third-placed teams were eliminated.