Browsing: Ariake Tennis Park.

The world No.5 crushed 12th seed Karen Khachanov under the weight of 27 winners – almost four times as many as his opponent – to win 6-3 6-1 in just 79 minutes at Ariake Tennis Park

The great American has not had a particularly impressive season, losing early at both the Australian Open and Roland Garros, but she remains the biggest star in the women’s game by a distance and would surely have been amongst the favourites to win the gold medal in the Japanese capital.