Singapore's Yu Mengyu, right, gestures during the bronze medal match of the table tennis women's singles against Japan's Mima Ito at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

China's Sun Yingsha serves against countrywoman Chen Meng 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)

China's Chen Meng returns a ball 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/David Goldman)

Japan's Mima Ito serves against Singapore's Yu Mengyu during the bronze medal match of 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 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)

China's Sun Yingsha competes against countrywoman Chen Meng 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/David Goldman)

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

China's Chen Meng, left, 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)

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)

Singapore's Yu Mengyu competes against Japan's Mima Ito during the bronze medal match of 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 serves against Singapore's Yu Mengyu during the bronze medal match of the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

Singapore's Yu Mengyu competes against Japan's Mima Ito during the bronze medal match of the table tennis women's singles at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/David Goldman)

China's Sun Yingsha serves against countrywoman Chen Meng 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/David Goldman)

China's Chen Meng serves 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/David Goldman)

China's Chen Meng serves 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)

China's Chen Meng, top, celebrates her winning point over 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/David Goldman)

China's Sun Yingsha competes against countrywoman Chen Meng 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/David Goldman)

China's Chen Meng, top, 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/David Goldman)

China's Chen Meng, top, 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/David Goldman)

China's Sun Yingsha competes against countrywoman Chen Meng 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)

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

China's Sun Yingsha competes against countrywoman Chen Meng 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)

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/David Goldman)

China's Chen Meng celebrates a point over 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/David Goldman)

China's Sun Yingsha competes against countrywoman Chen Meng, displayed in a screen background, 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)

China's Chen Meng, top, 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/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, left, and Sun Yingsha, take a break during the women's singles finals at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Chen Meng, left, and Sun Yingsha hold their national flag after winning the table tennis women's singles gold medal match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Kin Cheung)

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

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