Novak Djokovic has shared insights into how he unsettled Roger Federer when he burst onto the tennis scene as a brash newcomer. However, he noted that this only fueled his determination to become the best player in the world.
The Serbian, currently holding the top spot in the world rankings, is aiming for a historic 25th Grand Slam title in Melbourne, where he has already clinched the title on 10 occasions.
