The Serbian former world number one has been out of action for six months, but he feels he's on the mend.
"Throughout the tournament, I don't know how it's going to behave".
"When you consider we named a court after a champion like that, it is totally understandable".
"I'm not at 100 per cent, but you never know in a week's time what's going to be happening".
'I love this sport, I love tennis, I love competition.
With Andy Murray injured, Novak Djokovic returning after a six-month lay-off and Rafael Nadal short of fitness, everything points towards Roger Federer this year in Melbourne.
She was all class against world number 44 Buzarnescu, making just eight unforced errors for the match.
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"Having no expectations was so nice after all these years always having expectations, like now this year again".
Whether a lack of match play will come back to bite him or not is anyone's guess, but he is doing his best to address the issues.
"Both Radek and Andre have discussed a lot before the information came across to me", Djokovic said.
He missed warmup events in Abu Dhabi and Brisbane but had an exhibition match at the Kooyong Classic and another practice match with Dominic Thiem at Melbourne Park on Friday, complete with ball boys and a chair umpire.
"At the end of the day, it's all just talk beforehand". Federer, 36, the world No.2, who plays Slovenia's Bedene Aljaz, in a first meeting between the two, on Tuesday, shrugged aside the tag of favourite.
The finals of the women's singles draw will be played on 27 January at 2 pm IST.
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"Rafa, with the year that he's had, and Novak with the six titles he's had here, even if it's unknown how he's feeling, they could very well be the favorites, too", said.
At 37, Venus Williams among the top contenders at Melbourne Park. I really hope to be ready.
"It's just great to be back".
Australian Open was always played on grass court. I feel OK. I feel fit. She said it didn't leave her enough time to feel confident of winning a major.
First though, he will have to make it through a packed draw which puts him up against Argentina's Leonardo Mayer in the second round on Wednesday.
Stephens agrees the Australian Open field is still extremely tough, even without Williams, the 23-time major winner.
The Hopman Cup went very well.
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Jelena Ostapenko rocketed up the rankings after her stunning French Open win last year.