Sania Mirza and Marta Domachowska of Poland advanced to the second round with a comfortable victory over Natalie Grandin and Milagros Sequera in women's doubles at the USD 175,000 WTA Tour tennis event in Cincinnati, USA.

Second seeds Sania and Domachowska defeated Grandin of South Africa and Venuezuelan Sequera 6-4, 6-3 in the opening round on Monday.

The Indo-Polish pair will take on Varvara Lepchenko of Uzbekistan and China's Meng Yuan in the second round.

Shikha Uberoi, the other Indian in the fray, is paired with Canada's Maureen Drake and the duo face top seeds Maria Elena Camerin of Italy and Gisela Dulko of Argentina in the first round.

Meanwhile, Sania is set to play lucky loser Alexandra Stevenson of the US in the singles first round later on Tuesday.

This is the first tournament for the 19-year-old Indian since the Wimbledon Grand Slam a week ago.