Novak Djokovic hit the high notes defeating nine-time French Open champion Rafael Nadal in the quarterfinals.

The world No. 1 loosened up for Friday's semifinal against Andy Murray breaking into song during an interview with Fox Sports Asia.

Video: Nadal Says Djokovic Was Better Than Me

Check it out here:

 

Always a dad first! We love him for it and his tennis! @djokernole @foxsportsasia #frenchopen #twoweekadventure @annekeothavong @jasondlp

A video posted by @its_mosh on

Jun 4, 2015 at 7:49am PDT

@beINSPORTS_MENA thanks for the great chat earlier! Btw #NicePic ✏️👍🏻 pic.twitter.com/lx0AP65iiu

— Novak Djokovic (@DjokerNole) June 4, 2015