Gold medalist Szebasztian Szabo of Hungary competes during the men's 100m butterfly final at the 2019 FINA Swimming World Cup in Jinan, east China's Shandong Province on Aug. 8, 2019. (Xinhua/Guo Xulei)

Gold medalist Danas Rapsys of Lithuania competes during the the men's 400m freestyle final at the 2019 FINA Swimming World Cup in Jinan, east China's Shandong Province on Aug. 8, 2019. (Xinhua/Guo Xulei)

Gold medalist Danas Rapsys of Lithuania competes during the the men's 400m freestyle final at the 2019 FINA Swimming World Cup in Jinan, east China's Shandong Province on Aug. 8, 2019. (Xinhua/Guo Xulei)

Gold medalist Danas Rapsys of Lithuania competes during the the men's 400m freestyle final at the 2019 FINA Swimming World Cup in Jinan, east China's Shandong Province on Aug. 8, 2019. (Xinhua/Guo Xulei)

Gold medalist Szebasztian Szabo (C) of Hungary competes during the men's 100m butterfly final at the 2019 FINA Swimming World Cup in Jinan, east China's Shandong Province on Aug. 8, 2019. (Xinhua/Guo Xulei)