Wozniacki became the first Dane to reach the top in women's tennis. Just at 20, the young, attractive star surpassed Serena.
http://www.guardian.co.uk/sport/2010/oct/07/caroline-wozniacki-world-no1-serena-williams
http://news.bbc.co.uk/sport2/hi/tennis/9070895.stm
http://www.guardian.co.uk/sport/2010/oct/07/caroline-wozniacki-world-no1-serena-williams
http://news.bbc.co.uk/sport2/hi/tennis/9070895.stm