Arno Kamminga of the Netherlands competes during the Men's 200m Breaststroke final at the FINA Swimming World Cup 2019 in Doha, capital of Qatar, on Nov. 9, 2019. (Photo by Nikku/Xinhua)

Michael Andrew of United States of America reacts after the Men's 50m Butterfly final at the FINA Swimming World Cup 2019 in Doha, capital of Qatar, on Nov. 9, 2019. (Photo by Nikku/Xinhua)

Jhennifer Conceicao of Brazil competes during the Women's 50m Breaststroke final at the FINA Swimming World Cup 2019 in Doha, capital of Qatar, on Nov. 9, 2019. (Photo by Nikku/Xinhua)

Katinka Hosszu of Hungary competes during the Women's 100m Butterfly final at the FINA Swimming World Cup 2019 in Doha, capital of Qatar, on Nov. 9, 2019. (Photo by Nikku/Xinhua)