Sania Mirza and her Zimbabwean teammate Cara Black will be seen in action in the title clash of the WTA Finals Singapore today. The third seeded Indo-Zimbabwean pair will take on China's Shuai Peng and her Taiwanese partner Su-Wei Hsieh.In the semi-finals, Sania and Cara had defeated the Czech-Slovenian team of Kveta Peschke and Katarina Srebotnik 4-6, 7-5, 11-9.Cara Black has won two WTA Finals doubles titles so far, while Sania is making her debut at the season finale.In the Singles, world number one Serena Williams will clash with Simona Halep of Romania in the final today. Simona had stunned 18-time Grand Slam-winner and two-time defending champion Serena in the group stage of this tournament, beating the American in straight sets, 6-0, 6-2.