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.
Kim Warwick Kim Warwick (born 8 April 1952) is an Australian former professional male tennis player who competed on the ATP Tour from 1970–1987 reaching the final of the singles Australian Open in 1980. He defeated over 35 players ranked in the top 10 including Guillermo Vilas, Raul Ramerez, Vitas Gerulaitis, Jan Kodeš, Bob Lutz and Arthur Ashe. Warwick's career-high singles ranking was World No. 15, achieved in 1981. He won three singles titles and 26 doubles, including Australian Open 1978 (with Wojtek Fibak) and Australian Open 1980 and 1981, Roland Garros 1986 and also a runner-up in Australian Open 1985, all of them partnering fellow countryman Mark Edmondson. Partnering with Evonne Goolagong, he won the French Open 1972, defeating Françoise Dürr and Jean-Claude Barclay in the final 6–2, 6–4. Evonne and Kim were finalists in 1972 at Wimbledon against Rosie Casals and Ilie Năstase who won 6–4, 6–4.