The 1973 Virginia Slims of Boston was won by which retired Australian player?
Margaret Court Margaret Court {'1': ", '2': ", '3': ", '4': "} (née Smith; born 16 July 1942), also known as Margaret Smith Court, is a retired Australian tennis player and former world No. 1. She is currently a Christian minister in Perth, Western Australia. In tennis, she amassed more major titles than any other player in history.
List of Australian Open women's singles champions The Australian Open is an annual tennis tournament created in 1905 and played on outdoor hard courts at Melbourne Park in Melbourne, Australia.