Tennis stars take on mannequin challenge
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Murray and Djokovic take on mannequin challenge

13 November 2016 Last updated at 11:02 GMT

The world's top eight male tennis stars are in London this week for the ATP World Tour finals, so what better way to warm up than with a challenge.

They've taken on the 'mannequin challenge' together, trying to stay still.

The latest craze is seeing people take videos of themselves standing completely still - like mannequins in a shop window.

Novak Djokovic starts Sunday's play against Dominic Thiem from 2pm on BBC Two.

Pictures courtesy of ATP World Tour.