Peng to face Wozniacki
A review of Tuesday's women's singles action at the US Open, including news of Peng Shuai reaching the semi-finals.
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Sixteen years after heart surgery almost ended her hopes of a tennis career, Peng Shuai reached the US Open semi-finals with victory over 17-year-old Belinda Bencic.
The Swiss teenager has attracted most of the attention for her run to the last eight, which included the first two victories over top-10 players of her career.
But she was totally outplayed by Peng, who is yet to drop a set in the tournament and blasted 24 winners in a 6-2 6-1 victory.
The 28-year-old becomes the third Chinese player after two-time grand slam champion Li Na and Zheng Jie to reach the last four at a slam.
The breakthrough has come in her 37th slam tournament, and an emotional Peng said: "It's an amazing time for me. It's a little bit too exciting.
"I love tennis but it's a long time my career, it's been tough sometimes. I was thinking about giving up because I don't know if I can make it.
"I want to say thanks to my coach and my parents because they tell me to fight and never give up. And that today was coming."
Caroline Wozniacki stayed on course for a second grand slam final appearance with a rout of Sara Errani.
After beating Maria Sharapova on Sunday for one of the best victories of her career, Wozniacki picked up where she left off to defeat 13th seed Errani 6-0 6-1.
And the 10th seed will be a big favourite to reach the final when she takes on the unseeded Peng in the last four.
In the women's doubles, Martina Hingis teamed up with Flavia Pennetta to beat Kveta Peschke and Katarina Srebtonik 6-4 6-3 and reach the semi-finals.
The last time Hingis was in the last four of a slam was at the Australian Open in 2002, when she won the doubles title and was runner-up in singles.
Serena and Venus Williams are out, though, losing 7-6 (7/5) 6-4 to fourth-seeded Russian pair Ekaterina Makarova and Elena Vesnina.
There was concern for Serena, who plays Pennetta in the singles quarter-finals on Wednesday, when she took a medical time-out to have her right ankle taped.
The world number one was not at her best throughout and ended the match with consecutive double faults.
Meanwhile, 15-year-old Cici Bellis, who won American hearts by beating Dominika Cibulkova on her US Open debut, lost in the second round of the juniors to Russian Natalia Vikhlyantseva.