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When you drop shot so hard that your opponent's shoe falls off 👟#MiamiOpen pic.twitter.com/v0DMGvfVqc

— Tennis TV (@TennisTV) March 31, 2017

Talk about speed! Rafael Nadal was so fast when he chased this drop shot from Fabio Fognini during Friday’s 6-1, 7-5 victory, he actually outran his shoe! It was enough to leave Caroline Wozniacki impressed:

Haha!! I've never seen anyone run out of their shoe on the tennis court before 😂 this is a first lol!

— Caroline Wozniacki (@CaroWozniacki) March 31, 2017