In ESPN The Magazine, Lindsay Berra writes that the Olympics are becoming the new must-win event for tennis stars like Serena Williams and Alex Bogomolov Jr.
She's only 11, but tennis phenom Maria Shishkina is already a heavy hitter.
Maria Sharapova has yet to win a title in 2007. She's also coming off the best French Open of her career, which gives her hope heading into Wimbledon.
Russian Anna Chakvetadze may have a similar look to that of Maria Sharapova, but she would prefer her game be compared to Martina Hingis.