Rohan Bopanna and Aisam-ul Haq Qureshi avenged their defeat in the Cincinnati Masters, stunning fourth seeds Mariusz Fyrstenberg and Martin Matkowski of Poland in the first round of the Pilot Pen tennis tournament in New Haven on Wednesday.
The unseeded Indo-Pak pair scored a 6-3, 2-6, 10-5 win to secure a quarter-final berth in the US $663,750 hard court event.
Bopanna and Qureshi lost to the Polish pair at last week's Cincinnati Masters.
Also advancing to the quarter-finals were Mahesh Bhupathi and Belarusian Max Mirnyi, who overcame a tough challenge from Frantisek Cermak and Michal Mertinak.
The second seeded Indo-Belarusian duo beat the Czech-Slovakin pair 3-6, 7-6(1), 10-4 in the opening round.
No Indian is competing in the singles event.