Cynthia Doerner
Cynthia Doerner is an Australian former international tennis player. She competed in the Australian Open seven times, thrice as Cynthia Sieler and four times as Cynthia Doerner, from 1973 to 1979.
Her career singles highlights include winning the Connaught [Hard Court Championships] in 1972, the New York Invitational in 1975, the Surrey [Grass Court Championships] in 1979.