The Roland Garros champions Max Mirnyi of Belarus and Daniel Nestor of Canada dismissed the Austrian-Serb duo Oliver Marach and Janko Tipsarevic 6-2, 6-3 and moved into the Shanghai Masters quarterfinals.
They will now play Nicolas Almagro of Spain and Bruno Soares of Brazil for a place in the semifinals.
The Poles Mariusz Fyrstenberg and Marcin Matkowski also made their way to the quarterfinals by beating Tommy Robredo and Dmitry Tursunov in two easy sets 6-1, 6-2.
Their opponent in the quarterfinals will be the world no.1 duo Bob Bryan and Mike Bryan.
They still fight for a place at the Barclays ATP World Tour Finals as they are currently ranked 8th.