The 1979 Australian Open was a tennis tournament played on outdoor grass courts at the Kooyong Lawn Tennis Club in Melbourne in Victoria in Australia and was held from 24 December 1979 through 2 January 1980. It was the 68th edition of the Australian Open and the fourth Grand Slam tournament of the year. The singles titles were won by Argentinian Guillermo Vilas and American Barbara Jordan. Australian Open 1979: December 24–24, 1979 at Kooyong Lawn Tennis Club. Men's singles: Guillermo Vilas — 4th major title. Women's singles: Barbara Jordan. Wiki link