Despite not playing an official match in preparation, Rafael Nadal is still confident heading into the Australian Open.
Juan Martin del Potro was edged by Roberto Bautista Agut in the Auckland Open final.
Swiss star Stan Wawrinka will make his return from a knee injury at the Australian Open.
After a difficult start to 2018, Garbine Muguruza said she was not yet feeling 100 per cent ahead of the Australian Open.
Still waiting to win a first grand slam title, Caroline Wozniacki said she was under no added pressure ahead of the Australian Open.
Australian tennis fans have a new hero, with teenager Alex de Minaur backing up his run in Brisbane by reaching a maiden final in Sydney.
Angelique Kerber will move back into the world's top 20 after progressing to the final of the Sydney International.
The Auckland Open final will see Juan Martin del Potro take on Roberto Bautista Agut in his 30th career ATP singles final.
With Serena Williams not defending her Australian Open title, Melbourne will be glad to see Maria Sharapova again.
While form's temporary and class permanent, a lack of preparation may rob the Aus Open of another highlight in the Federer-Nadal rivalry.