World no.1 pair Mike and Bob Bryan cruised through their second round match at the China Open as they overpowered the Germany Florian Mayer and Czech Tomas Berdych 6-0, 6-3.
They will next play third seed Michael Llodra of France and Nenad Zimonjic of Serbia.
Other 2nd round results:
Michael Llodra/Nenad Zimonjic (FRA/SRB) – Marcel Granollers/Oliver Marach (ESP/AUT) – 6-1, 6-4
Robert Lindstedt/Horia Tecau (SWE/ROU) – Max Mirnyi/Daniel Nestor (BLR/CAN) – 7-6 (6), 2-6, 10-6
Marin Cilic/Ivan Ljubicic (CRO/CRO) – Mahesh Bhupathi/Leander Paes (IND/IND) – 6-2, 6-3