Roger Federer had a highly successful tennis career, winning his first Grand Slam title at Wimbledon in 2003. He holds the record for 17 Grand Slam singles titles, including 9 titles on hard courts. Federer dominated for years, simultaneously winning Wimbledon and the US Open 5 times in a row from 2003-2008, and winning 11 Grand Slams from 2005-2007 alone. He is considered one of the greatest tennis players of all time.