Singapore's Yu Mengyu competes during the table tennis women's singles third round match against Taiwan's Cheng I-ching at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Singapore's Yu Mengyu competes during the table tennis women's singles third round match against Taiwan's Cheng I-ching at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Hong Kong's Doo Hoi-kem celebrates after winning the table tennis women's singles third round match against South Korea's Shin Yu-bin at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

South Korea's Jeoung Youngsik, right, celebrates with his coach after winning the table tennis women's singles third round match against Greece's Panagiotis Gionis at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Singapore's Yu Mengyu competes during the table tennis women's singles third round match against Taiwan's Cheng I-ching at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Singapore's Yu Mengyu reacts during the table tennis women's singles third round match against Taiwan's Cheng I-ching at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Singapore's Yu Mengyu competes during the table tennis women's singles third round match against Taiwan's Cheng I-ching at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Hong Kong's Doo Hoi-kem celebrates after winning the table tennis women's singles third round match against South Korea's Shin Yu-bin at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Hong Kong's Doo Hoi-kem, right, talks to her coach during the table tennis women's singles third round match against South Korea's Shin Yu-bin at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland reacts during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Liu Juan of the United States compretes during the table tennis women's singles third round match against Romania's Bernadette Szocs at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland celebrates after winning the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland celebrates after winning the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Hong Kong's Doo Hoi-kem competes during the table tennis women's singles third round match against South Korea's Shin Yu-bin at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Hong Kong's Doo Hoi-kem competes during the table tennis women's singles third round match against South Korea's Shin Yu-bin at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Japan's Mima Ito competes during the table tennis women's singles third round match against Portugal's Fu Yu at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Japan's Mima Ito competes during the table tennis women's singles third round match against Portugal's Fu Yu at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Liu Juan of the United States competes during the table tennis women's singles third round match against Romania's Bernadette Szocs at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Neverland's Britt Eerland competes during the table tennis women's singles third round match against Egypt's Dina Meshref at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov competes during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov reacts during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov competes during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov competes during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov serves during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Germany's Dimitrij Ovtcharov serves during the table tennis men's singles third round match against Russia's Kirill Skachkov at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)