Wimbledon 2012: Azarenka, Nadal and Sharapova in 'guess the grunt'

Love them or loath them, each year the 'grunters' of SW19 become a major talking point during the Wimbledon fortnight - but how hard is it to tell the likes of Maria Sharapova and Victoria Azarenka apart?

BBC Sport's Nick Hope plays 'guess the grunt' with tennis fans on Henman Hill, who give their own take on Sharapova's shrieks and many more.

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