"If you told me in February this year when I got the surgery that I'll win Wimbledon, US Open and Cincinnati, It would be hard to believe. But at the same time there would be part of me that believed I could get back on the desired level of my game," Djokovic recalled.

"I expected I can be back on a high level fast, but it took me actually three, four months really. In that process, I learned to be patient, which was never really a stronger side of me."

Del Potro, meanwhile, was competing in his second Grand Slam final, having defeated Federer for his maiden crown at the 2009 US Open.

"I'm very sad for being a loser today," said Del Potro. "But Novak deserved to take the trophy. He played a great match, very smart game. I had my opportunities during the second and third set."

"But I was playing almost at the limit all the time, looking for winners with my forehands, backhands, and I couldn't make it because Novak was there every time. He's a great champion. So I'm glad for him." Enditem

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