WATCH: Novak Djokovic, Gerard Butler recreate 'this is sparta' scene

New Delhi: After winning his 10th Grand Slam singles title, beating Roger Federer in four sets at the US Open, Novak Djokovic was in the mood for some fun.

The World No.1 paired up with Hollywood star Gerard Butler to recreate the famous 'this is sparta' scene from the movie 300.

Novak's wife Jelena took to social micro-blogging site Twitter to post the incredibly funny video of the duo.

This is Spartaaaaaaa!!!!! #USOpenChampion #TeamDjokovic @DjokerNole @gerardbutler #10 #NoleFam pic.twitter.com/5XVyd6MA8d

— Jelena Djokovic (@JelenaRisticNDF) September 14, 2015