Regarded by many as the greatest tennis player of all time, Roger Federer has had an unparalleled career spanning more than two decades. After emerging as one of the top junior players in Europe in the 1990s, Federer turned professional in 1998 at age 16. Early successes and becoming the world's #1 player in 2004 launched a period of utter dominance where he won 17 Grand Slam titles between 2003-2010.Federer achieved many records during his prime years, including holding the world #1 ranking for a record 237 consecutive weeks. While rivalries with Nadal, Djokovic and Murray prevented more Grand Slam glory late in his career, Federer thrilled crowds with his versatile, attacking style of play and comprehensive mastery of the sport. Resurgent years in 2017-2018 led to 3 more major titles after many thought his best days were behind him.In addition to his 20 Grand Slam singles titles and other major records that may never be broken, Federer has inspired countless fans worldwide with his unmatched blend of artful shot-making and competitive excellence. With exceptional longevity deep into his 30s while remaining a top player, Federer's career cemented his legacy as possibly the greatest and most important tennis player thus far.