Top seeded Indo-Swiss pair of Sania and Martina Hingis outplayed the American wild cards Christina Mchale and CoCo Vandeweghe 6-4 6-1 to move to the semifinals of the USD 2,701,240 WTA Premier tournament.
They will now fight it out with Taipei pair of Hao-Ching Chan and Yung-Jan Chan for a place in the final.
In the ATP Masters event, fifth seed Bopanna and Florin Mergea lost the hard fought quarterfinal 1-6 6-1 12-14 to second seeds Ivan Dodig and Marcelo Melo.