Sania and Zheng dispatched German Annika Beck and Puerto Rican Monica Puig in straight sets, winning 6-2, 6-2 on court 16 of the USTA National Tennis Center here.
The 10th seeds next play the Hungarian-American combine of Katalin Marosi and Megan Moulton-Levy.
Sania and Zheng come to Flushing Meadows high on confidence after winning the New Haven title last week.
Other Indians competing in the doubles event - Leander Paes, Mahesh Bhupathi and Divij Sharan - open their campaign with different partners later Thursday.
--IANS (Posted on 30-08-2013)