Hyderabad, Oct 26 (ANI): Tennis Player Sania Mirza and her Zimbabwean partner Cara Black clinched to the doubles title at the WTA Finals in Singapore on Sunday. In their last match together, the pair easily beat the defending champions, Taiwan's Hsieh Su-wei and Peng Shuai of China, with an authoritative 6-1, 6-0. Sania Mirza's father Imran Mirza commenting on Sania's historic win said that the victory is very special for her as she became the first Indian to have achieved this title.