Nick Kyrgios will launch his Australian Open campaign against Portugal’s Gastao Elias.

Former champion and world No.4 Stan Wawrinka looms as 14th-seeded Kyrgios’ first major test in the fourth round.

World No.1 Andy Murray opens against Ilya Marchenko, while six-times winner Novak Djokovic plays Fernando Verdasco, the Spaniard who upset Rafael Nadal in the first round last year and held five match points against Djokovic in Doha last week.