Dominic Thiem is, apparently, a jack of all tennis trades.

The newly crowned St. Petersburg champion is also showing off tennis trick shots which includes behind the back, around the legs, and all sorts of other wild moves.

He challenged Stefan Bojic, a self-proclaimed "freestyle tennis astronaut" to a trick-shot battle, but was slightly outclassed.

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Thiem will return to playing normal tennis in two weeks in Shanghai.