Dubai: Second seeds Rohan Bopanna and Aisam-ul-haq Qureshi survived a scare before diffusing the challenge of Mahesh Bhupathi and Denis Istomin in the quarterfinals of the ATP 500 Dubai Duty Free Championships, here today.

The Indo-Pak Express came back from a set down to beat their unseeded but very experienced rivals 5-7 7-6(3) 10-7 via Super Tie breaker to move to the semifinals of the USD 2,359,935 hard court event.