Federer doubts he is playing his 'best ever' tennis but at 33 is still looking for a 6th Australian open Title.
Murray will be seeded sixth at the year's first grand slam starting Monday.
No clear favourites as Nadal, Djokovic, Federer try to topple defending champion Wawrinka.
The Australian Open in many ways sets the tone for the rest of the year in this sport-obsessed country.
Unseeded Sania-Mattek-Sands humble top seeds 6-3 6-3 in just 69 minutes ahead of the Australian Open.
Djokovic has the fitness and the momentum to reassert himself on the blue courts in 2015.
World number one Djokovic faces a qualifier first up and will avoid the top 10 seeds until at least the quarter-finals.
Petra Kvitova completed her preparations for an assault on a third grand slam title in triumphant style.
Marion Bartoli won Wimbledon in 2013 but retired soon after because of injuries.
Yuki dispatches Nishioka 7-6 (10-8), 6-3 in the Australian Open qualifying round in Melbourne.
Nadal’s 4-1 first-set win against an Australian junior lasted only 17 minutes.
Bhambri now faces Japanese Yoshihito Nishioka, who outplayed Chile's Gonzalo Lama 6-2 6-1.