Mahesh Bhupathi and Russia's Nadia Petrova overcame stiff resistance from Katarina Srebotnik and Nenad Zimonjic to enter the mixed doubles quarterfinals of the Australian Open in Melbourne on Tuesday.
The fifth seeds beat the Slovakian-Serbian pair 3-6, 6-2, 10-5 in the second round at
Melbourne Park.
Bhupathi-Petrova now await the winner of the match between Leander Paes and Elena Vesnina and Jarmila Gajdosova and Matthew Ebden.
Sania Mirza and Rohan Bopanna had made the mixed doubles quarters with different partners on Monday.