Second seeds Rohan Bopanna and Aisam-ul-Haq Qureshi have progressed to the quarterfinals of the Saint Petersburg Open tennis tournament. At St. Peterseburg, Russia, today, the 'Indo-Pak Express', beat their unseeded rivals Sergiy Stakhovsky and Mikhail Youzhny 6-2, 2-6, 10-3 in the first round of the over Six Hundred thousand U.S. dollar hard court event.Meanwhile, top seeds Mahesh Bhupathi and Max Mirnyi also booked a last-eight berth in the Open Sud de France championship, with a 7-6, 7-6 win over Brian Battistone and Andreas Siljestrom. The winners will next face Stephen Huss and Ross Hutchins in the 650,000 Dollar event.