Austria's Liu Jia listens to her coach during the table tennis women's singles second round match against Russia's Polina Mikhailova at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia competes during the table tennis women's singles second round match against Russia's Polina Mikhailova at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia competes during the table tennis women's singles second round match against Russia's Polina Mikhailova at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Liu Jia, left, and Russia's Polina Mikhailova compete during the table tennis women's singles second round match at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Sofia Polcanova celebrates after winning the table tennis women's singles third round match against India's Manika Batra at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Sofia Polcanova competes during the table tennis women's singles third round match against India's Manika Batra at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)

Austria's Sofia Polcanova celebrates after winning the table tennis women's singles third round match against India's Manika Batra at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Kin Cheung)