Kirsten Flipkens suffered an ankle injury and was forced to retire when she tripped over advertising signage in Abu Dhabi
World No. 2 wields a weapon in his quest for first AO title since 2009.
World No. 1 to play first tournament in 11 months in AO tune-up.
The Ukrainian tested positive for mesterolone in a sample that was provided last November.
The American says that Djokovic helped her before she claimed her maiden major title last year.
Dunlop and Tennis Now want to give you a new CX 200.
The event, which begiins on February 1, will be played in Melbourne alongside two ATP 250 events.