Serena Williams won the US Open and became the first racket of the world American Serena Williams beat Jelena Jankovic from Serbia in the final of the US Open tennis championship - 6:4, 7:5 and topped the women's ranking. The first racket of the world among men, Spaniard Rafael Nadal, lost to Briton Andy Murray in the semi-finals of this tournament - 2:6, 6:7 (5:7), 6:4, 4:6, who reached the final of a Grand Slam series for the first time.