Sania Mirza and her partner Cara Black have entered the second round of the Sony Open, WTA's premier tournament in Miami, USA. Sania and Zimbabwe's Cara, seeded fifth, faced stiff resistance from the unseeded Taipei pair of Hao-Ching Chan and Yung-Jan Chan before prevailing 6-3 6-7(8) 10-8 in the first round. They next face Georgia's Oksana Kalashnikova and Russia's Alisa Kleybanova. In the men's tournament, being held simultaneously, fourth seeded Leander Paes and his Czech partner Radek Stepanek lost in the first round against American Eric Butorac and Raven Klaasen. India's challenge is still alive in the men's doubles as Rohan Bopanna and Mahesh Bhupathi are yet to play. Bopanna and his Pakistani partner Aisam-Ul-Haq Qureshi will face Italian team of Simone Bolelli and Fabio Fognini. Unseeed Bhupathi and South African Kevin Anderson are up against second seeded pair of Alexander Peya from Austria and Bruno Soares from Brazil.