Nadal and federer 'are favourites'

In his bid to shake off the rust before his Australian Open first-round match against Dominican Victor Estrella Burgos, world No. 1 Rafael Nadal of Spain played a surprise practice match against fifth-ranked Dominic Thiem of Austria at Melbourne Park
In his bid to shake off the rust before his Australian Open first-round match against Dominican Victor Estrella Burgos, world No. 1 Rafael Nadal of Spain played a surprise practice match against fifth-ranked Dominic Thiem of Austria at Melbourne Park yesterday.PHOTO: AGENCE FRANCE-PRESSE

Djokovic plays down Australian Open chances, as Rafa plays warm-up match against Thiem