But since Nadal has now beaten him in five of their seven grand slam final meetings, Federer needs to explore new avenues.

但是自从纳达尔在他们七次大满贯决赛的交手中第五次将其打败，费德勒需要另辟蹊径了。

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In their last meeting, Djokovic saved two match points as he came from two sets down to beat Federer in the US Open semi-finals.

在他们的上次交手——美网半决赛上，德约科维奇在两盘落后的局面下挽救两个赛点而击败费德勒。

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Nadal has won 13 of their 20 matches and, most tellingly, five of his seven grand slam finals against Federer.

纳达尔赢得了他们之间20场比赛中的13场，最引人注目的是，他7个大满贯冠军中的5个是在决赛中击败费德勒拿下的。

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Former world number one Hewitt faced a momentous task having never beaten Federer in their 15 previous matches.

BBC: Roger Federer eases into Australian Open quarter-finals

Sixth seed Nikolay Davydenko, who has beaten Federer in their past two meetings, kept alive the possibility of another encounter in the quarterfinals by beating German qualifier Dieter Kindlmann 6-1 6-0 6-3.

CNN: Federer survives early Melbourne scare

Their cause has been led by a rare group of all-time players in their prime: Roger Federer (who is president of the ATP World Tour's player council), Rafael Nadal, Novak Djokovic and Andy Murray.

WSJ: USTA Opens Up Its Wallet