Groupings
The tournament was conducted in a round robin format. The eight players/teams divided in two groups. The eight seeds were determined by the South African Airways ATP Rankings and the 2009 ATP Doubles Team Rankings of Monday, 16 November 2009. The top seed was placed in Group A and the second seed placed in Group B. Players/teams seeded three and four, five and six, seven and eight, were then drawn in pairs placing the first drawn in Group A.
Read more about this topic: 2009 ATP World Tour Finals