Melbourne: Defending champions and world No. 1 ranked Novak Djokovic and Serena Williams top the Australian Open seedings lists, which follow rankings ahead of the first Grand Slam tournament of 2016.

Four-time finalist Andy Murray was seeded No. 2, 17-time major winner Roger Federer was No. 3 and 2014 champion Stan Wawrinka was No. 4, one higher than Rafael Nadal, according to Xinhua news agency.