63 listed by the ATP) Highest ranking No. 1 (23 August 1977) Grand Slam results Australian Open 3R (1974) French Open 6W (1974, 1975, 1978, 1979, 1980, 1981) Wimbledon 5W (1976, 1977, 1978, 1979, 1980) US Open 4F (1976, 1978, 1980, 1981) Other tournaments Tour Finals W (1979, 1980) WCT Finals W (1976) Doubles Career record 86–81 (51.2%) Career titles 4 Highest ranking 890 (22 March 1993) Last updated on: 24 March 2007. Björn Rune Borg (Swedish pronunciation: [bjœːɳ bɔrj]  ( listen); born 6 June 1956) is a former World No. 1 tennis player from Sweden. Between 1974 and 1981 he won 11 Grand Slam singles titles. He won five consecutive Wimbledon singles titles (a record shared with Roger Federer) and four consecutive French Open singles titles (a record shared with Rafael Nadal). He is considered to be one of the greatest tennis players of all time..