India's Mahesh Bhupathi and his Belarusian partner Max Mirnyi have entered the second round of the men's doubles in US Open Tennis Championship.They beat Frenchmen Arnaud Clement and Nicolas Mahut 6-1, 6-4 in a first round encounter in New York last night. They will now face Argentina's Eduardo Schwank and Horacio Zeballos. India's Sania Mirza lost to Russian Anastasia Pavlyuchenkova in straight sets 2-6, 4-6 in women's singles match. Defending champion Kim Clijsters and two-time winner Venus Williams have advanced to the third round. Clijsters beat Sally Peers of Australia 6-2, 6-1 and Venus Williams beat Rebecca Marino of Canada 7-6, 6-3.