New York: Fourth seeded Indo-Chinese pair of Sania Mirza and Shuai Peng was sent packing by Swiss ace Martina Hingis and Yung-Jan Chan of Chinese Taipei in the women's doubles semi-finals of the US Open here.

Although the scoreline suggests a straight-set victory of 6 -4, 6-4 for the second-seeded pair, it was the Indo-Chinese combination that had the initial advantage which it frittered away.

Mirza-Peng started the match in right earnest breaking the opposition serve to take a 3-0 lead.

However, the Hingis-Chan pair levelled proceedings with double break to make it 3-3 before getting their third break in the ninth game to win the set at 6-4 in 31 minutes.

The second set also went along similar lines with Mirza-Peng leading 3-1 before blowing it all away.

The decisive break came in the ninth game and then closed the game in the 10th game.