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Chris Evert and Margaret Court were in the field, along with Evonne Goolagong, whom a 24-year-old Morozova upset in straight sets in the final without dropping serve.

Only four other women have achieved the feat in history - Margaret Court, Evonne Goolagong, Steffi Graf and Monica Seles.

Evonne Goolagong Cawley and Kim Clijsters also won Grand Slam titles after having children, and Serena Williams came agonisingly close, falling in four finals after becoming mother to Olympia.

After the match, Sabalenka acknowledged tennis greats in the crowd including Billie Jean King and Evonne Goolagong Cawley, who was celebrating the 50th anniversary of her first Australian Open title.

Andre Agassi, who won the last of his four Australian titles in 2003, joined Evonne Goolagong Cawley to carry the trophies into the tennis complex before play began on the first of the tournament’s three Sundays.