Hirano Miu of Japan returns the ball during a women's singles semifinal match against Ishikawa Kasumi of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019. (Photos: Xinhua)

Hirano Miu of Japan celebrates victory after a women's singles semifinal match against Ishikawa Kasumi of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.

Ishikawa Kasumi of Japan reacts during a women's singles semifinal match against Hirano Miu of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.

Hirano Miu of Japan returns the ball during a women's singles semifinal match against Ishikawa Kasumi of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.

Ishikawa Kasumi of Japan returns the ball during a women's singles semifinal match against Hirano Miu of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.

Ishikawa Kasumi of Japan reacts during a women's singles semifinal match against Hirano Miu of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.

Ishikawa Kasumi of Japan returns the ball during a women's singles semifinal match against Hirano Miu of Japan at the 2019 ITTF Czech Open in Olomouc, the Czech Republic, Aug. 25, 2019.