La delegación brasileña subió al podio en 18 de las 20 pruebas del día, mientras que Argentina capturó 4 oros, en la primera jornada de la natación en Santiago de Chile.
Martins tested positive for the substance Ostarine, found in an IV infusion he received last March.
Andrii Govorov tied his own Ukrainian Record in the 50 fly on Saturday in Monaco.
Brazilian Olympian Henrique Martins has tested positive for a banned substance, and will present his case at a doping panel hearing in Switzerland, according to Brazilian media.
Night four featured a new South American record from Fernando Scheffer as well as wins from Kira Toussaint and veteran Nicholas Dos Santos.
Satiro Sodré was on deck to catch all the action on day 1 of the 2018 Brazil Trophy.
Other notable swims include a win for Ruta Meilutyte in the 100 breast, and a new junior I category record in the 400 free for Rafaela Raurich.
Ali Deloof will compete for gold in tonight’s 50 back final.
Kosuke Hagino will hit the water in the men’s 200 back prelims on day 5 in Taipei.
The USA’s Andrew Wilson put up the fastest time of the meet so far with his 59.6 in prelims, but can he hold off defending champion Dmitriy Balandin of Kazakhstan in the final?
Andrii Govorov became the first man to break 23 seconds in the 50 fly in the history of the World University Games, giving the Ukranians their 2nd gold of the meet
Yui Ohashi of Japan will be hunting down gold in the 400 IM after taking the top qualifying time in the prelims.
Follow along for live updates from the first preliminary session of the 2017 World University Games.
World Championships finalist Henrique Martins will be one of 10 swimmers to represent Brazil at this summer’s World University Games in Taipei, Taiwan.
Cesar Cielo went 21.96 in the 50 free on the final night of the Jose Finkel Trophy.