Serena Williams and Caroline Wozniacki: Friends, Confidantes and Opponents …

“I definitely believe that no matter who stands on the other side of the net, I can win the match,” Wozniacki said, a day before she was due to meet top-ranked Serena Williams on Sunday for the Open women's singles title. “It's going to be a tough one

Serena Williams knows the drill. On Sunday, when she looks across the net during the United States Open women's singles final, she will see a player she knows all too well and a person she absolutely adores. And this time it will not be her sister Venus.

This could make things a little awkward. After defeating Ekaterina Makarova in the U.S. Open semi-finals on Sept. 5, Serena Williams will face-off against her friend Caroline Wozniacki in the final match!

Fifteen years after she won her first U.S. Open singles title as a 17-year-old, Serena Williams will try to win her sixth on Sunday. If she does, if she defeats a rejuvenated Caroline Wozniacki to win the 18th Grand Slam singles title of her career, it

Serena Williams reached her first grand slam quarter-final of the year at the US Open – and is the only top-eight player to make it that far.