Flavia Pennetta (born 25 February 1982 in Brindisi, Puglia) is an Italian professional tennis player. As of 4 May 2009 she is ranked World No. 14 in singles and World No. 21 in doubles. Penetta has won six career WTA singles titles, all but one on clay courts, including back-to-back titles in Bogotá and Acapulco in 2005. She and her Italian teammates Mara Santangelo, Francesca Schiavone, and Roberta Vinci beat the Belgium team 3–2 in the 2006 Fed Cup final. Justine Henin had to retire in the fifth and final match due to an injury in her right knee, which let Italy win their first Fed Cup trophy. Penetta has defeated former World No. 1s and multiple Grand Slam singles champions such as Justine Henin at the Porsche Tennis Grand Prix in 2005, Martina Hingis in Gold Coast, Australia at the beginning of the 2006 tour, Amélie Mauresmo at the 2008 US Open en-route to her first
Who is the greatest grass court player?