India's Davis Cup mates Leander Paes and Rohan Bopanna set up a quarter-final clash against each other in the Shanghai Masters after registering wins with their respective partners.
Third seeds Paes and Jurgen Melzer of Austria beat Brazil's Thomaz Belluci and Serbia's Janko Tipsaveric 6-3, 6-3 in the second round of the $3,240,000 hard court event.
Melzer had also shocked top seed and world number one Rafael Nadal 6-1, 3-6, 6-3 in the singles pre-quarter-finals.
Bopanna and his Pakistani partner Aisam-ul-haq Qureshi scored a 6-3, 7-5 win over eighth seeds Dick Norman of Belgiam and South African Wesley Moodie.
Mahesh Bhupathi and his Belarusian partner Max Mirnyi, seeded fifth, also advanced to the quarter-finals with a 6-3, 6-1 win over Marc Lopez and Tommy Robredo.
They will next take on fourth seeds Lukasz Kubot and Oliver Marach.
