Olympics Latest: US women's volleyball reaches quarterfinals

Caeleb Dressel of the United States swims in a heat of the men's 100-meter butterfly at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Sunisa Lee, of the United States, performs on the vault during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Natacha Pisarenko)

Sunisa Lee, of the United States, performs on the uneven bars during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Morry Gash)

From front left, United States gymnast Grace McCallum, Jordan Chiles, Simone Biles and MyKayla Skinner sit on the stands during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Gregory Bull)

Jessica Fox of Australia competes in the Women's C1 heats of the Canoe Slalom at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Kirsty Wigglesworth)

Marta Martyanova of the Russian Olympic Committee and Astrid Guyard of France compete in the women's individual Foil team final medal competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Chiba, Japan. (AP Photo/Hassan Ammar)

Novak Djokovic, of Serbia, reacts while playing Kei Nishikori, of Japan, during the quarterfinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Allison Schmidt of the United States swims the first leg of the women's 4x200-meter freestyle relay team at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Morry Gash)

Sunisa Lee, of the United States, performs on the balance beam during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Natacha Pisarenko)

Katie Ledecky of the United States looks up after her heat of the women's 800-meter freestyle at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Jiri Liptak, of Czech Republic, competes in the men's trap at the Asaka Shooting Range in the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Alex Brandon)

China's Chen Meng competes against countrywoman Sun Yingsha during the gold medal match of the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)