Azarenka made a stuttering start to her bid for a third straight Australian Open title.
Boris Becker joined Novak Djokovic as his new head coach in December.
With Boris Becker in his box, defending champ Djokovic shakes off rust with straight-sets win in 1st round.
Unlike Ivan Lendl, Becker was animated as he sat with the rest of the Djokovic team.
Petra Kvitova fell victim to Thai world number 88 Luksika Kumkhum on Margaret Court Arena.
Wood said there has never been anybody who has died from dehydration on a tennis court.
Thai world number 88 Luksika Kumkhum sprang the biggest upset of the Australian Open's first day.
The serve-and-volley specialist was curious to see what changes Djokovic and Federer bring to their game.
Djokovic admitted that tennis changed radically since Becker won six grand slam titles.
Nadal has thrived on slower surfaces, winning eight of his 13 grand slam titles.
Del Potro served with venom and unleashed powerful forehands and backhands.
The Indo-Pak Express now head to Australian Open with some good match practice.
Federer is seeded to face Jo-Wilfried Tsonga in the fourth round.
Sharapova made an impressive return by reaching the semi-finals in Brisbane.
Nadal has thrived on slower surfaces, winning eight of his 13 grand slam titles.
Riding a 22-match winning streak, Serena arrives in Melbourne Park fit, fresh and ravenous.
The second seeded Serb has a relatively kind draw until the quarter-finals.
Bopanna and Qureshi will take on Daniel Nestor and Nenad Zimonjic in the final.
Nadal, No. 4 Murray, No. 5 Del Potro and No. 6 Federer all stacked in the same half.
Del Potro underlined his status as a dark horse for next week's Australian Open.
Djokovic, will bid for a fourth straight title at Melbourne Park.
Del Potro continued his encouraging buildup to Australian Open by reaching semi-finals.
Federer was confident he could revive his career, even if it does not happen immediately.
Bopanna and Aisam-ul-Haq Qureshi progressed to the semifinals of the Sydney International.
World number five Juan Martin del Potro began his 2014 season with a win.





