Daily Tokyo Olympics 2020 Photos: July 31, 2021

Misaki Emura of Japan, left, and Amira Ben Chaabane of Tunisia compete in the women's Sabre team round of 16 competition at the 2020 Summer Olympics, Saturday, July 31, 2021, in Chiba, Japan. (AP Photo/Hassan Ammar)

Ngoni Makusha, of Zimbabwe, wins a heat in the men's 100-meter run at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Zambia's Patrick Chinyemba, left, exchanges punches with Britain's Galal Yafai during their men's flyweight 52-kg boxing match at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

Zenfira Magomedalieva, of the Russian Olympic Committee, left, exchanges punches with Mozambique's Rady Adosinda Gramans during their women's middleweight 75-kg boxing match at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

Barackcides, Khadambi, of Kenya, competes during a women's beach volleyball match against Latvia at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (AP Photo/Petros Giannakouris)

Kenya's Leah Wambui, left, is pursued by Canada's Ghislaine Landry, second right, and Charity Williams, in their women's rugby sevens 9-10 placing match at the 2020 Summer Olympics, Saturday, July 31, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Nijel Amos, of Botswana, wins a heat in the men's 800-meter run at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Nigeria's Precious Achiuwa (55) scores past Italy's Danilo Gallinari (8) during men's basketball preliminary round game at the 2020 Summer Olympics, Saturday, July 31, 2021, in Saitama, Japan. (AP Photo/Eric Gay)

Italy's Simone Fontecchio (13), left, drives around Nigeria's Jordan Nwora (33), right, during men's basketball preliminary round game at the 2020 Summer Olympics, Saturday, July 31, 2021, in Saitama, Japan. (AP Photo/Charlie Neibergall)

Tobi Amusan, of Nigeria, wins a heat in the women's 100-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Enoch Adegoke, of Nigeria, center, wins a heat in the men's 100-meter run at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

South Africa's Toni Marks, right, and India defender Deep Grace Ekka (3) battle for the ball during a women's field hockey match at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (AP Photo/John Locher)

Cuba's Yosbany Vetia, right, exchanges punches with Ghana's Tettah Sulemanu during their men's flyweight 52-kg boxing match at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

Gift Leotlela, of South Africa, right, wins a heat in the men's 100-meter run at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Shaun Maswanganyi, of South Africa, runs in his heat of the men's 100-meters at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/David J. Phillip)