<p>Sania Mirza and Martina Hingis eased into the women’s doubles quarterfinals at the US Open with a comfortable straight sets victory over Michaella Krajicek and Barbora Strycova here.<br /><br /></p>.<p>The top-seeded Indo-Swiss combination produced a dominant performance to get the better of their 13th-seeded opponents 6-3, 6-0 in 59 minutes.<br /><br />Sania and Hingis were hardly stretched during the contest as they managed to hold their serve all through. They were off to a good start, breaking Krajicek and Strycova once in the first set. <br /><br />They fired 14 winners in the opening set as against eight by their Dutch-Czech opponents.<br />Sania and Martina upped the ante in the second set, earning six break points, three of which they converted.<br /><br />Krajicek and Strycova were clearly out of their depths, producing nine unforced errors as the Indo-Swiss duo wrapped up the second set in 26 minutes. The top seeds will face Chan Yung-Jan and Chan Hao-Ching of Chinese Taipei in the last eight stage.<br /><br />India’s Rohan Bopanna and his Romanian partner Florin Mergea marched into the quarterfinal of the men’s doubles competition on Monday after the sixth seeds defeated the ninth-seeded Canadian-French duo Daniel Nestor and Edouard Roger-Vasselin 6-7(4), 6-4, 6-3.</p>
<p>Sania Mirza and Martina Hingis eased into the women’s doubles quarterfinals at the US Open with a comfortable straight sets victory over Michaella Krajicek and Barbora Strycova here.<br /><br /></p>.<p>The top-seeded Indo-Swiss combination produced a dominant performance to get the better of their 13th-seeded opponents 6-3, 6-0 in 59 minutes.<br /><br />Sania and Hingis were hardly stretched during the contest as they managed to hold their serve all through. They were off to a good start, breaking Krajicek and Strycova once in the first set. <br /><br />They fired 14 winners in the opening set as against eight by their Dutch-Czech opponents.<br />Sania and Martina upped the ante in the second set, earning six break points, three of which they converted.<br /><br />Krajicek and Strycova were clearly out of their depths, producing nine unforced errors as the Indo-Swiss duo wrapped up the second set in 26 minutes. The top seeds will face Chan Yung-Jan and Chan Hao-Ching of Chinese Taipei in the last eight stage.<br /><br />India’s Rohan Bopanna and his Romanian partner Florin Mergea marched into the quarterfinal of the men’s doubles competition on Monday after the sixth seeds defeated the ninth-seeded Canadian-French duo Daniel Nestor and Edouard Roger-Vasselin 6-7(4), 6-4, 6-3.</p>