Novak Djokovic only seems to grow in confidence and strength when he is faced with booing, jeering and heckling from spectators.

It’s certainly an unusual trait. A lot of players would crumble under the pressure but the world No.1 is able to take the negative energy and use it to his advantage.

We’ve seen it time and time again. And it appears to be becoming more of a regular occurrence in the twilight years of the 36-year-old’s illustrious career.

The Serbian is currently defending his title at the Australian Open as he continues his quest to land a historic 25th Grand Slam singles trophy.