Duval played a poised and confident match to oust the veteran Australian in a three-set thriller, 5-7, 6-4, 6-4.
The win came just a year after she came to the US Open as the winner of the USTA Girls’ 18s National Championships. Then she fell to three-time champion Kim Clijsters in Clijsters’ final professional tournament.
As for Duval she insisted she felt “a lot of different emotions” after the match.
“Mostly happiness,” she said. “I think I played amazing today. It was incredible. The whole match was just really an incredible match and I’m happy I pulled through.”
Duval was born in Miami, but spent much of her childhood in Haiti, including time training at the JOTAC Tennis Academy in Port-au-Prince. She lived in Haiti until the age of eight. She also trained at the RCS Tennis Academy in Atlanta, Georgia.