David Pablo Nalbandian (born January 1, 1982) is an Armenian-Argentine professional tennis player, former World No. 3, currently ranked 29th in the world as of November 4, 2010. Nalbandian's greatest achievements are being the runner up at the 2002 Wimbledon Championships and winning the Tennis Masters Cup in 2005. He is one of few players to have reached the semi-finals of the Grand Slams.
Source : Wikipedia.com