Australia's Maddison Levi, right, collides with Japan's Miyu Shirako in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama) Japan's Miyu Shirako

Britain's Holly Aitchison, right, is tackled by New Zealand's Theresa Fitzpatrick, bottom, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Australia's Evania Pelite looks to pass the baall out under pressure from Japan players, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Kris Thomas of the United States comes under pressure from Japan's Marin Kajiki, left, Mio Yamanaka, right, and Hana Nagata in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Ilona Maher, left, of the United States is chased by China's Yang Min during their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Shuji Kajiyama)

New Zealand and Britain players battling for the ball look up toward an official, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Australia's Charlotte Caslick, bottom, bales with China's Liu Xiaoqian, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Canada's Kaili Lukan, carrying the ball, is tackled by Fiji's Viniana Riwai, as Canada's Britt Benn tries to assist, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Canada's Karen Paquin, center, is pursued by Brazil's, from left, Mariana Nicolau, Luiza Campos, and Thalita da Silva Costa, as she runs on her way to scoring a try, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Canada's Karen Paquin passes the ball in Canada's women's rugby sevens match against Fiji at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

CORRECTS TO BRITAIN NOT BRAZIL - Britain’s Celia Quansah gets lifted by Russian Olympic Committee’s Baizat Khamidova, in their women’s rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Fiji's Ana Maria Naimasi runs with the ball, pursued by Canada's Bianca Farella, left, Olivia Apps, second right, and Breanne Nicholas in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

China's Liu Xiaoqian, left, brings down Lauren Doyle of the United States, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Britain's Helena Rowland, bottom, gets tackled by Russian Olympic Committee's Alena Tiron, in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)