The chronic foot injury Rafael Nadal carried into Paris created cause for concern.

After falling to Nadal in a dramatic four, hour 12-minute Roland Garros quarterfinal, Novak Djokovic said he "didn't see any problems" with the Spaniard's foot.

Djokovic: I Lost to a Better Player

World No. 1 Djokovic credited the fifth-seeded Nadal as being "the better player."

When asked his reaction to Nadal's foot injury, Djokovic said he's not surprised by the 35-year-old Spaniard's recovery power.

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"No, I'm not surprised at all," Djokovic told the media in Paris. "It's not the first time that he, you know, is able to few days after he's injured and barely walking to come out 100% physically fit.

"You know, he's done it many times in his career, so I'm not surprised."

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