Regardless of the results of this week's year-end championships in Istanbul, there is no true world No. 1 in tennis this year.
There was drama, tears of joy, angry outbursts, the emergence of new talent and some interesting scheduling during the 2011 U.S. Open.
Samantha Stosur played her best tennis when it mattered most, stunning Serena Williams in straight sets Sunday to claim the U.S. Open title.
Semifinalists Sam Stosur and Angelique Kerber belonged on Arthur Ashe Stadium, writes Viv Bernstein, but the men got center stage instead.
While Serena Williams, one of the best players of all time, is riding the wave of an incredible comeback, Sam Stosur's chances are slim.
"Caroline in the City" has been renewed for another round. Wozniacki defeated Andrea Petkovic in straight sets to advance to the semis, where she'll face Serena.