David Pablo Nalbandian is an Argentine professional tennis player and former World No. 3. After turning professional in 2000, he proceeded to win two ATP titles and reaching the Wimbledon final. In 2005, he won the Tennis Masters Cup, becoming only the second Argentine tennis player in history to win the year-end tournament. In 2006, Nalbandian won the Estoril Open Tournament in Portugal for the second time, being one of only three men to achieve this accomplishment. In 2007, he achieved the greatest feat of his career when he won the 2007 Madrid Masters bybeating Rafael Nadal, Novak Djoković and Roger Federer in consecutive rounds. Nalbandian then played at the 2007 Paris Masters and won his second straight ATP Masters Series title over Rafael Nadal. In 2008, 2008, Nalbandian won the Copa Telmex on home soil in Buenos Aires, beating compatriot José Acasuso. He won his ninth career title at the 2008 Stockholm Open, defeating Robin Söderling. Nalbandian started his 2009 tour by winning his tenth career ATP title at the Medibank International in Sydney, Australia The next year, he won the 2010 Legg Mason Tennis Classic. He has also won two Masters 1000 events and reached the semifinals or better at all four Grand Slam tournaments.