Sania Mirza & her Swiss partner Martina Hingis have clinched their seventh title together by winning the Wuhan Open women’s doubles trophy.With this win, the Indo-Swiss pairing has seven WTA doubles titles together this year — Indian Wells, Miami, Charleston, Wimbledon, the US Open, Guangzhou and Wuhan.They have won their last three tournaments and their last 13 matches without dropping a single set.