US Open Gallery: Quarterfinal Thursday

Caroline Wozniacki, Sam Stosur, Serena Williams and Angelique Kerber - your US Open semifinalists.

Published September 09, 2011 12:00

There was no rain in sight as the quarterfinals took the courts on Thursday afternoon.

Kim Kardashian and Ciara were among the celebrity spottings in Serena Williams' box.

Venus Williams came to support sister Serena Williams against Anastasia Pavlyuchenkova.

Serena Williams lost serve three times in the first set but still won her quarterfinal.

Anastasia Pavlyuchenkova met Serena Williams at the net after falling to her, 75 61.

Meanwhile on Grandstand, Samantha Stosur was crafting a 63 63 win over Vera Zvonareva.

Sam Stosur beat the Russian for the eighth time in a row to reach her first US Open semi.

Caroline Wozniacki and Andrea Petkovic played their quarterfinal match out on Court 13.

Caroline Wozniacki came out strong, moving ahead 61 53, but Andrea Petkovic wasn't done.

Caroline Wozniacki had to go to a tie-break to close Andrea Petkovic out, 61 76(5).

World No.1 Caroline Wozniacki moved into her third straight semifinal at the US Open.

Flavia Pennetta was playing her third US Open quarterfinal in the last four years.

Angelique Kerber went up 64 42 but lost the second set and went down a break in the third.

Angelique Kerber recovered, though, to score a 64 46 63 victory over Flavia Pennetta.

Angelique Kerber is the second German in the last decade to reach a Grand Slam semifinal.

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