Sure, he's won the Australian Open and currently ranks as the No. 2 tennis player in the world, but we weren't truly impressed by Novak Djokovic's game until we saw this epic new video, in which the pro athlete can be seen playing tennis from -- wait for it -- the wings of a flying airplane.

It's the latest video from HEAD Tennis' viral campaign (via YouTube), a slick set of videos that give new meaning to the term "high flying."

The actual flight begins around the 2:30 mark in the video posted below. Check it out now to find out why Federer and Nadal may want to re-think their game strategy.

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