Summary:
The US Open is a tournament where the big names are facing the big questions.

Full article:
Serena Williams and Caroline Wozniacki will attempt to set up a fascinating women’s final when they take on seemingly overmatched opponents in the US Open last four. After a tournament of upsets, Williams will come up against No 17 seed Ekaterina Makarova of Russia. Meanwhile Wozniacki tackles world No 39 Peng Shuai, who had previously made her name more as more of a doubles expert. Semi-final: Serena Williams will come up against No 17 seed Ekaterina Makarova of Russia . Two perennial nearly-men, Tomas Berdych and Marin Cilic, were facing each other to try to make the men’s semi-finals. The other player in the last four will be the winner of the overnight match between Roger Federer and Frenchman Gael Monfils. Andy Murray crashed out at the quarter-final stage after losing to Novak Djokovic in four sets. US Open: Wozniacki tackles Peng Shuai, who made her name more as more of a doubles expert .