China's Chen Meng holds her gold medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng holds her gold medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng holds her gold medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

China's Chen Meng, center, holds her gold medal, China's Sun Yingsha, left, silver medal, and Japan's Mima Ito, bronze medal, pose for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

China's Chen Meng, center, holds her gold medal, China's Sun Yingsha, left, silver medal, and Japan's Mima Ito, bronze medal, pose for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng holds her gold medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

Japan's Mima Ito holds her bronze medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng, right, holds her gold medal, next to countrywoman Sun Yingsha, silver medal, as they pose for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng, center, holds her gold medal, China's Sun Yingsha, left, silver medal, and Japan's Mima Ito, bronze medal, pose for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng holds her gold medal as she poses for photographers in the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

Gold medalist China's Chen Meng celebrates on the podium for the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China and Japan national flags are raising as gold medalist China's Chen Meng and bronze medalist Japan's Mima Ito, win the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)