Athletics compete during women's table tennis singles preliminary round matches at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Athletics compete during women's table tennis singles preliminary round matches at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Athletics compete during women's table tennis singles preliminary round matches at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Athletics compete during women's table tennis singles preliminary round matches at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza competes during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza competes during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza catches a ball during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia competes during women's table tennis singles preliminary round match against Syria's Hend Zaza at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Guyana's Chelsea Edghill gestures during women's table tennis singles preliminary round match against Fiji's Sally Yee at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Mongolia's Bolorerdene Batmunkh competes after women's table tennis singles preliminary round match against Tunisia's Fadwa Garci at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza talks to her coach during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza competes during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Syria's Hend Zaza reacts during women's table tennis singles preliminary round match against Austria's Liu Jia at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia reacts after women's table tennis singles preliminary round match against Syria's Hend Zaza at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia reacts after women's table tennis singles preliminary round match against Syria's Hend Zaza at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Australia's Lay Jian Fang competes during women's table tennis singles preliminary round match against Cuba's Daniela Fonseca at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Australia's Lay Jian Fang competes during women's table tennis singles preliminary round match against Cuba's Daniela Fonseca at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Mongolia's Bolorerdene Batmunkh reacts after women's table tennis singles preliminary round match against Tunisia's Fadwa Garci at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Liu Juan, of United State competes during women's table tennis singles preliminary round match against Nigeria's Olufunke Oshonaike at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Liu Juan, of United State gestures during women's table tennis singles preliminary round match against Nigeria's Olufunke Oshonaike at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Guyana's Chelsea Edghill reacts during women's table tennis singles preliminary round match against Fiji's Sally Yee at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)