Joseph Schooling of Singapore in action during the men's 100m butterfly finals. He clocked a time of 52.13s to clinch the gold medal and sets a new game record. (Photo © Lee Jian Wei/Red Sports)

Joseph Schooling of Singapore in action during the men’s 100m butterfly final. He clocked a time of 52.13s to clinch the gold medal and set a new Games record. (Photo 5 © Lee Jian Wei/Red Sports)