Richard Gasquet

After one for the ages, Australian Open now a fitness test

With Rafael Nadal and Novak Djokovic among the walking wounded and Serena Williams already deciding not to defend her title, injuries and absentees have been the focus of attention ahead of the Australian Open.

That's not bothering Roger Federer, who is returning as defending champion just 12 months after entering the season-opening Grand Slam tournament seeded 17th and uncertain of his prospects after six months off the tour with an injured left knee.

He beat Nadal in a five-set final for his 18th Grand Slam title — and his first since 2012 — and later won Wimbledon.

"I just thought that the game and the wins weren't going to come ... because I would just run...

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