Tennis requires some flexibility, but even a top tennis contortionist like Gael Monfils would be impressed by this move.
Watch Chinese martial artist Wanglei display some astounding flexibility squeezing his body through this tennis racquet.
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Wanglei's warm up is impressive as well. He begins to squeeze through the racquet about 90 seconds into this video.
Believe it or not, the squeeze play is a popular practice in some parts of the world.