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.
Frederick Kalms Frederick Kalms (1897–1977) was an Australian tennis player. His good all-round game was marred by a weak forehand. Kalms was New South Wales state champion in 1926 and 1928. He reached the semi finals of the 1924 Australian Championships (beating Clarence Treloar and Rupert Wertheim before losing to Richard Schlesinger). At the 1924 U. S. championships, Kalms lost in five sets in round two to Dean Mathey. Kalms reached the quarter finals of the Australian in 1925 (losing to Pat O'Hara Wood) and 1928 (beating Edgar Moon before losing to Jack Cummings).