Björn Borg is a Swedish former world No. 1 tennis player, widely regarded as one of the greatest in the history of the sport. Between 1974 and 1981, he became the first man in the Open Era to win 11 Grand Slam singles titles, including an unprecedented five consecutive Wimbledon titles and six French Open titles. Known for his powerful groundstrokes, incredible fitness, and calm on-court demeanor, he earned the nickname 'Ice-Borg.' His intense rivalry with John McEnroe captivated the tennis world, and his abrupt retirement at the age of 26 remains one of the sport's most discussed moments.