Boris Becker is a former professional tennis player from Germany who was one of the most successful players in the sport during the 1980s and 1990s. He won six Grand Slam singles titles, including three Wimbledon championships, and was ranked world No. 1 for a total of 12 weeks. He was also the first male player to win the singles title at all four Grand Slam tournaments. Becker was inducted into the International Tennis Hall of Fame in 2003.