1973 Australian Open
The 1973 Australian Open was a tennis tournament played on outdoor grass courts at the Kooyong Lawn Tennis Club in Melbourne in Australia and was held from 26 December 1972 to 1 January 1973. It was the 61st edition of the Australian Open and the first Grand Slam tournament of the year.
Seniors
Men's singles
defeated Onny Parun, 6–3, 6–7, 7–5, 6–1- It was Newcombe's 5th career Grand Slam title, and his 1st Australian Open title.
Women's singles