Tristan Flore/Laura Gasnier (L) of France compete against Jun Mizutani/Mima Ito of Japan during the mixed doubles quarterfinals at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019. (Photos:Xinhua)

Tristan Flore/Laura Gasnier (L) of France compete against Jun Mizutani/Mima Ito of Japan during the mixed doubles quarterfinals at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.

Tristan Flore (front)/Laura Gasnier of France compete against Jun Mizutani/Mima Ito of Japan during the mixed doubles quarterfinals at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.

Hirano Miu (L) /Shibata Saki of Japan compete during the women's doubles quarterfinals between Chen Szu Yu/Cheng Hsien Tzu of Chinese Taipei and Hirano Miu/Shibata Saki of Japan at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.

Chen Szu Yu/Cheng Hsien Tzu (R) of Chinese Taipei react during the women's doubles quarterfinals between Chen Szu Yu/Cheng Hsien Tzu of Chinese Taipei and Hirano Miu/Shibata Saki of Japan at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.

Chen Szu Yu/Cheng Hsien Tzu (L) of Chinese Taipei compete during the women's doubles quarterfinals between Chen Szu Yu/Cheng Hsien Tzu of Chinese Taipei and Hirano Miu/Shibata Saki of Japan at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.

Hirano Miu (L) /Shibata Saki of Japan compete during the women's doubles quarterfinals between Chen Szu Yu/Cheng Hsien Tzu of Chinese Taipei and Hirano Miu/Shibata Saki of Japan at the table tennis 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 12, 2019.