Quelle est la nationalité de Serena Williams ?

Serena Jameka Williams (born September 26, 1981) is an American professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 319 weeks (third-most of all time), and finished as the year-end No. 1 five times. Williams won 73 WTA Tour–level singles titles, including 23 major women's singles titles—the most in the Open Era, and the second-most of all time.