Cheta Emba of the United States, second right, comes under pressure from Australia's Charlotte Caslick, right, and Australia's Sharni Williams, in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Canada's Charity Williams is tackled by France's Seraphine Okemba, in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Ilona Maher of the United States is tackled by Britain's Helena Rowland in their women's rugby sevens quarterfinal match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

United States players celebrate after defeating Australia in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Britain's Abbie Brown, right, takes off with the ball, pursued by Cheta Emba and Abby Gustaitis of the United States, in their women's rugby sevens quarterfinal match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Players from Fiji, front, and Australia jog out to take the field for their women's rugby sevens quarterfinal match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

France's Anne-Cecile Ciofani, left, grapples with China's Wang Wanyu, in their women's rugby sevens quarterfinal match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Fiji players huddle up as they prepare to enter the stadium for their women's rugby sevens quarterfinal match against Australia at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

China's Wang Wanyu, center, trailed by teammates Chen Keyi, right, and Yang Feifei, runs on her way to score a try in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

New Zealand's Ruby Tui outpaces Russian Olympic Committee's Baizat Khamidova on her way to score a try, in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

China's Xu Xiaoyan sprints on her way to score a try again Japan, in their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)