Cara Black and Sania Mirza cruised to the doubles title at the WTA Finals with an authoritative 6-1, 6-0 win over defending champions Peng Shuai and Hsieh Su-Wei on Sunday.
Serena Williams is in the final of the WTA Finals after beating Caroline Wozniacki in a third-set tiebreaker on Saturday, winning 2-6, 6-3, 7-6 (6) to remain on course for a third-straight title in the season-ending championships.
Serena Williams won her opening match at the WTA Finals on Monday, beating Ana Ivanovic 6-4, 6-4 in the Red Group for her 16th consecutive victory at the season-ending tournament.