Australian Heather McKay was undefeated for a period of almost 20 years until her retirement in 1981, in which sport?
Heather McKay Heather McKay Heather Pamela McKay (née Blundell) (born 31 July 1941) is a retired Australian squash player, who is considered by many to be the greatest female player in the history of the game, and possibly also Australia's greatest-ever sportswoman. She dominated the women's squash game in the 1960s and 1970s, winning 16 consecutive British Open titles from 1962 to 1977, and capturing the inaugural women's World Open title in 1976, while remaining undefeated during that period. She was also a top-level player of other sports, including field hockey and racquetball. Heather Blundell was born in Queanbeyan, New South Wales.
Heather McKay captured the inaugural title with a 6–9, 9–3, 9–1, 9–4 win over Sue Cogswell in the final. McKay also won the Australian Amateur Championships for 14 consecutive times from 1960 to 1973. When she retired in 1981 at the age of 40, McKay had gone nearly 20 years undefeated (with the only two defeats to her name occurring at the beginning of her career). Since retiring from the top-level game, she has remained active in international Masters level events, and has won two over-45 world championship titles and two over-50 world championship titles. Heather also proved to be a talent