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

Spain's Maria Xiao competes during the table tennis women's singles first round match against Kazakhstan's Anastassiya Lavrova at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Australia's Lay Jian Fang reacts during the table tennis women's singles first round match against Italy's Debora Vivarelli at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Italy's Debora Vivarelli reacts during the table tennis women's singles first round match against Australia's Lay Jian Fang at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

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

Kazakhstan's Anastassiya Lavrova competes during the table tennis women's singles first round match against Spain's Maria Xiao at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Nikhil Kumar, of United States reacts during the table tennis women's singles first round match against Ecuador's Alberto Mino at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Nikhil Kumar, of United States competes during the table tennis women's singles first round match against Ecuador's Alberto Mino at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Nikhil Kumar, of United States reacts during the table tennis women's singles first round match against Ecuador's Alberto Mino at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo. (AP Photo/Kin Cheung)

Elise Mertens, of Belgium, uses a bag of ice to cool off during a tennis†match against Ekaterina Aleksandrova, of the Russian Olympic Committee, at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Elise Mertens, of Belgium, rests a bag of ice on her neck during a tennis†match against Ekaterina Aleksandrova, of the Russian Olympic Committee, at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Elise Mertens, of Belgium, serves to Ekaterina Aleksandrova, of the Russian Olympic Committee, during the tennis competition at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)