The 14-time major champion admits that he'll need more time to reach "peak Nadal" this season.
The former World No.8 starts the year with a title and sets his sights high.
Former No. 1 puts focus on on-court training, reduces gym work-outs.
Former Australian Open semifinalist forced out of Sydney, Melbourne with foot injury.
The 22-year-old is determined to climb back up the rankings this year.
Contrite Djokovic admits that he made a mistake in the Doha final.
Bethanie Mattek-Sands rises to WTA doubles No. 1 after Brisbane title.