"daria-gavrilova"

Ariarne won the gold medal against the five-time Olympic gold medallist Katie Ledecky of the US.

Williams has been stalled on 23 major singles titles since the 2017 Australian Open, when she was two months' pregnant with now-three-year-old daughter Olympia and when she beat her sister Venus in the final.

Stosur, playing her first competitive match since March and now ranked 112, lost 6-2, 6-0 to 16th seeded Czech Marie Bouzkova in just over one hour.