Who, Geoff Masters or Mary Carillo,  is an Australian former tennis player?
Geoff Masters Geoff Masters (born 19 September 1950) is an Australian former tennis player. He was part of doubles winning pairs in the US Open, Australian Open and Wimbledon tournaments during the 1970s.
Syd Ball Syd Ball (born 24 January 1950), is a former professional tennis player from Australia.