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Combined clay results vs Rafael Nadal
Djokovic and Federer have met Rafael Nadal a combined 33 times on clay. Nadal leads the head-to-head on clay 27–6.

Federer's Win Streak in North America
Roger Federer's 55-match winning streak in North America began at the US Open in 2004 and was ended by Andy Murray in the second round of the Cincinnati Masters in 2006. The streak spanned over two years and included nine tournament victories.