David Pablo Nalbandian (; born 1 January 1982) is an Argentine retired professional tennis player who played on the ATP Tour from 2000 until his retirement in 2013. He reached the highest ranking in singles of world No. 3 in March 2006. Nalbandian was runner-up in the singles event at the 2002 Wimbledon Championships. During his career, he won 11 singles titles, including the Tennis Masters Cup in 2005 and two Masters 1000 tournaments. Nalbandian is the only Argentine player in history who ever reached the semifinals or better at all four Grand Slam tournaments and reached the men's singles final at Wimbledon.