During prelims, Naoki Mizunuma out touched Takeshi Kawamoto (above) by .16, leading a pack of 12 swimmers who finished with times between 51.92 and 52.92.
Takeshi Kawamoto was at the helm of a 4-man siege on the 100m butterfly event on the final day of action at the Japan Open.
Mientras competían en el Centro Acuático de Tokio, los 4 primeros clasificados en el 100 mariposa detuvieron el reloj en la zona de 51 segundos.
Six events will be contested on the third morning of the 2019 World University Games, three each for the men and the women.
Reigning World Record holder Ippei Watanabe proved he is a gold medal contender for this summer’s World Championships, convincingly winning the 200m breast on the final night of the 2019 Japan Open.
Yui Ohashi rocked another world-class 400m IM to notch the only World Championships qualifying time on day 2 of the 2019 Japan Open.
World Record holder Sarah Sjostrom of Sweden fired off the fastest 100m fly time of the morning. She also produced a finals-worthy time in the 100m free.