Rohan Bopanna and Aisam-ul-haq-Qureshi have entered the quarterfinals of the Doubles Tennis Shanghai Masters tournament. They beat Mark Knowles of Bahamas and Philipp Kohlschreiber 7-6, 6-2. The Indo-Pak pair will take on Dick Norman and Wsley Moodie.Leander Paes and Mahesh Bhupathi have also advanced to the second round with their respective partners after getting a first-round bye. Paes and his new partner Jurgen Melzer of Austria will take on Brazil's Thomaz Belluci and Serbia's Janko Tipsaveric in the quarter-finals. Bhupathi and his Belarusian partner Max Mirnyi seeded fifth will take on the winners of the first round match between the pairs of Florian Mayer and Yen-Hsun Lu and Marc Lopez and Tommy Robredo.