Career
Rudy Khairullah started his career with South.League club Gombak United. He joined under-23 developmental side Courts Young Lions after Gombak United withdrew from the South.League at the end of the 2012 season. Rudy Khairullah represented Singapore U23 at the 2014 Asian Games.
He was called up to the senior team for the friendly matches against Papua New Guinea and Hong Kong on 6 September 2014 but has yet to make his international debut.