Sania Mirza and her Swiss partner Martina Hingis stormed into the US Open semi-finals with a straight-set triumph in their quarter-final match.
The top-seeded Indo-Swiss pair eased past ninth seeds Hao-Ching Chan and Yung-Jan Chan 7-6(5) 6-1 on Tuesday.
Sania and Martina are bidding for their second Grand Slam this year. The duo had already won the Wimbledon in July.
