Is Serena Williams Single? U.S. Open Champion Says She Plays Better Tennis When Not Dating Anyone

On Sunday, tennis superstar Serena Williams, 30, beat the No. 1-ranked female player in the world, Victoria Azarenka, 23, and became the oldest U.S. Open champion in nearly four decades. "I honestly can't believe I won. I was really prepared for my runner-up speech, because she was playing so great. I'm really shocked right now," Williams said after the ferocious three-set match.