The 2015 edition of the year-end finals will feature only one former world no. 1, three Grand Slam champions and four Grand Slam finalists.
In the red group, each player's respective records are; no. 1 seed Simona Halep is 5-13, no. 3 Maria Sharapova is 19-5, no. 5 seed Agnieszka Radwańska is 11-19, and no.