Melbourne: The top-seeded duo of Sania Mirza and Bruno Soares sailed into the mixed doubles semifinals of the Australian Open after carving out a straight-sets win over the home pair of Casey Dellacqua and John Peers, here today.

The Indo-Brazilian pair needed only 53 minutes to outplay the locals 6-2 6-2 in the quarterfinals. Sania and Soares broke their rivals two times each in both the sets. They did not face any breakpoint in the opening set and saved the two in the second.