Roger Federer (pronounced /ˈrɒdʒə ˈfɛdərər/; born August 8, 1981) is a Swiss professional tennis player, ranked World No. 1 since February 2, 2004, for a record 232 consecutive weeks.
Federer has won twelve Grand Slam singles titles (three Australian Open, five Wimbledon, four US Open), four Tennis Masters Cup titles, and fourteen ATP Masters Series titles. Federer holds many records in the game, including having appeared in ten consecutive Grand Slam men's singles finals (2005 Wimbledon Championships through to 2007 U.S. Open). He also holds the open era records for consecutive wins on both grass courts (65) and hard courts (56). Additionally, he appeared in a streak of 17 consecutive Grand Slam semi-finals, also an all-time record. He lost the men's singles final to Spain's Rafael Nadal at Wimbledon, Sunday, July 6, 2008.
Federer's remarkable success has prompted a number of tennis critics, legendary players, and current players to consider him to be the greatest tennis player in history. In 2008, he was named Laureus World Sportsman of the Year for a record fourth consecutive time.