Nick Kyrgios lost it at the Australian Open crowd during his first-round match on Tuesday after members of audience appeared to 'boo' each time he scored a point -but it was actually a reference to footballer Cristiano Ronaldo's famous score celebration.
Kyrgios put some spark into a previously subdued Melbourne Park with a 6-4 6-4 6-3 first-round win over British qualifier Liam Broady on Tuesday night.
But the game at one stage came to a halt as the Australian stopped to allow the 'disrespectful' chanting emanating from the crowd to dissipate.
While the audience seemed to be displeased with the match, some cheeky members were actually calling out 'siu' - a Ronaldo's signature cheer.
Nick Kyrgios lost his concentration during his first round of the Australian open as raucous audience members shouted
Kyrgios appeared to pick up on the gag, pausing with a moment with a smirk as the gallery roared around him.
But the 26-year-old eventually became annoyed, yelling out to the fans they could only do the cry when he served, but not his opponent.
Andy Murray received the same treatment from rowdy fans during his victorious four-hour five-set match against Nikoloz Basilashvili.
Kyrgios, wearing a red basketball-style singlet and trademark jewellery, lived up to his billing as the game's greatest showman as he broke