Indian doubles pair of Mahesh Bhupathi and Rohan Bopanna have entered the quarterfinals of the Shanghai Masters Tennis tournament. They beat American-British combo of Treat Huey and Jonathan Marray 7-6, 6-4 at Shanghai today.They will next take on the winners of the match between Tomas Berdych and Nenad Zimonjic and Max Miryni and Daniel Nestor.