Novak Djokovic learns how to keep world No 1 ranking after Serbia Open final loss
Novak Djokovic has learned what he must do at the upcoming Madrid and Rome Masters to hold onto his world No 1 ranking after suffering defeat in the Serbia Open final. The Serb now sits just 320 points ahead of Daniil Medvedev and will be hoping to stay at the top ahead of his French Open title defence, where he will also be defending a huge 2,000 ranking points.


