India's Achanta Kamal competes during the table tennis men's singles third round match against China's Ma Long at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long reacts during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

India's Achanta Kamal wipes his face during the table tennis men's singles third round match against China's Ma Long at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

India's Achanta Kamal reacts during the table tennis men's singles third round match against China's Ma Long at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

India's Achanta Kamal competes during the table tennis men's singles third round match against China's Ma Long at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long competes during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Fan Zhendong compretes during the table tennis men's singles third round match against France's Lebesson Emmanuel at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long competes during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long reacts during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long talks to his coach during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Ma Long competes during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

South Korea's Jeoung Youngsik competes during the table tennis men'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)

Greece's Panagiotis Gionis competes during the table tennis men's singles third round match against South Korea's Jeoung Youngsik at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Fan Zhendong compretes during the table tennis men's singles third round match against France's Lebesson Emmanuel at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

South Korea's Jeoung Youngsik competes during the table tennis men'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)

China's Ma Long competes during the table tennis men's singles third round match against India's Achanta Kamal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Greece's Panagiotis Gionis takes rest during the table tennis men's singles third round match against South Korea's Jeoung Youngsik at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Fan Zhendong, left, compretes during the table tennis men's singles third round match against France's Lebesson Emmanuel at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Greece's Panagiotis Gionis competes during the table tennis men's singles third round match against South Korea's Jeoung Youngsik at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Fan Zhendong compretes during the table tennis men's singles third round match against France's Lebesson Emmanuel at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Taiwan's Lin Yun-ju competes during the table tennis men's singles third round match against Sweden's Anton Kaellberg at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

South Korea's Jeoung Youngsik reacts during the table tennis men'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)

Nigeria's Quadri Aruna competes during the table tennis men's singles third round match against Brazil's Gustavo Tsuboi at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

China's Fan Zhendong compretes during the table tennis men's singles third round match against France's Lebesson Emmanuel at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Brazil's Gustavo Tsuboi competes during the table tennis men's singles third round match against Nigeria's Quadri Aruna at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Greece's Panagiotis Gionis competes during the table tennis men's singles third round match against South Korea's Jeoung Youngsik at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Taiwan's Lin Yun-ju reacts during the table tennis men's singles third round match against Sweden's Anton Kaellberg at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

France's Simon Gauzy fells during the table tennis men's singles third round match against Denmark's Jonathan Groth at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

France's Simon Gauzy competes during the table tennis men's singles third round match against Denmark's Jonathan Groth at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

Taiwan's Lin Yun-ju competes during the table tennis men's singles third round match against Sweden's Anton Kaellberg at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

France's Simon Gauzy competes during the table tennis men's singles third round match against Denmark's Jonathan Groth at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

France's Simon Gauzy celebrates after winning the table tennis men's singles third round match against Denmark's Jonathan Groth at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

France's Simon Gauzy celebrates after winning the table tennis men's singles third round match against Denmark's Jonathan Groth at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Kin Cheung)

CORRECTS ROUND TO SECOND - Kei Nishikori, of Japan, plays Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

CORRECTS ROUNG TO SECOND - Kei Nishikori, of Japan, plays Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marcos Giron, of the United States, reacts after winning a set against Kei Nishikori, of Japan, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Kei Nishikori, of Japan, reacts after defeating Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marcos Giron, of the United States, plays Kei Nishikori, of Japan, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marcos Giron, of the United States, plays Kei Nishikori, of Japan, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

CORRECTS ROUND TO SECOND - Kei Nishikori, of Japan, plays Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

CORRECTS ROUND TO SECOND - Kei Nishikori, of Japan, plays Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

CORRECTS ROUND TO SECOND - Kei Nishikori, of Japan, plays Marcos Giron, of the United States, during the second round of the tennis competition at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)