Off court with Maria Sharapova and Novak Djokovic...

Maria Sharapova of Russia is presented with a cake by Australian Open Tournament Director Craig Tiley to commemorate her 600th career singles win during day five of the 2016 Australian Open at Melbourne Park. (Getty Images)

Viktor Troicki of Serbia poses with girlfriend Aleksandra Djordjevic at the Melbourne Aquarium during day five of the 2016 Australian Open at Melbourne Park. (Getty Images)

 Viktor Troicki of Serbia poses with the sharks at the Melbourne Aquarium. (Getty Images)

Agnieszka Radwanska of Poland holding a python snake at the player cafe. (Getty Images)

Naomi Osaka of Japan takes a selfie with penguins as she visits Melbourne Aquarium. (Getty Images)

ANZ ambassador Novak Djokovic of Serbia poses with ANZ Tennis Hot Shots participants from Melbourne and Shanghai. (Getty Images)

Eugenie Bouchard of Canada poses at the Canadian Club Racquet Club at Birrarung Marr. (Getty Images)

Annika Beck of Germany poses with a young fan at Autograph Island. (Getty Images)

Maria Sharapova of Russia is presented with a cake by Australian Open Tournament Director Craig Tiley. (Getty Images)

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