Czech-born tennis player... He was one of the game's most dominant players in the 1980s and remained a top competitor into the early 1990s. He captured eight Grand Slam singles titles and competed in 19 Grand Slam singles finals... He won the Australian Open in 1989 and 1990... Wimbledon in 1986 and 1987, and the US Open in 1985, 1986 and 1987.