South African swim sensation Chad Le Clos has set a new world record in the 200m butterfly (short-course) at the Fina Swimming World Cup meet in Singapore.

The 21-year-old Olympic champion clocked 1min 48.56sec at the Singapore Sports School pool to rewrite his own mark of 1:49.04 clocked in August.

In second place was Poland's Pawel Korzeniowaki in 1:53.59 and third was Japan's Yuki Kobori in 1:55.39.

Meanwhile, Singapore's Rachel Tseng clocked 8:45.17 to finish in eighth in the women's 800m freestyle and her compatriot Pang Sheng Jun was also eighth with 4:19.96 in the men's 400m individual medley.