Cincinnati: The Indo-Swiss tennis combine of Sania Mirza and Martina Hingis started their $2,701,240 Cincinnati Masters campaign with a with a straight sets win to enter the women's doubles quarterfinals here.

In the second round on Wednesday, the top seeds took just an hour and 22 minutes to beat unseeded German-Polish pair of Julia Goerges and Klaudia Jans-Ignacik 7-6(3), 6-4 on the outdoor hard courts of the Lindner Family Tennis Center.