The top seeded Indo-Swiss pair toiled for one hour and 24 minutes to prevail 6-4 4-6 10-4 over the unseeded Chinese duo to enter the quarterfinals. They got a bye in the first round in the hard court $ 2,818,000 prize money tournament.
Sania and Hingis have together won four titles this year out of an overall trophy count of 13.
They started the year with wins in Brisbane and Sydney before completing a hat-trick of Grand Slam titles at the Australian Open. The duo had won the St Petersburg Ladies title earlier this month.