Novak Djokovic has opened up on his formula for continued success in the sport after he won his 24th Grand Slam title at the US Open.

The World No. 1 has had yet another dominant season, winning both the Australian Open and the Roland Garros before going on to defeat Daniil Medvedev in straight sets at the last major of the year in New York. In doing so, he has equaled Margaret Court's record of 24 Slam titles.

The 36-year-old is also nearing his 400th week at the top of the ATP Ranking and has a total of 92 ATP singles titles. Now, Djokovic has revealed the key to his incredible longevity in the sport.

The Serb disclosed that in order to remain at the top for so long, he has to be able to adapt to change and re-invent himself.

"There are always changes happening, literally on a weekly to monthly basis in my approach to training, to recovery to mental training. There’s always something that I’m trying to add so that I can up my performance in my game, you know, at least for a few per cent.

"It’s a constant process of trying to get better and trying to implement certain things that work for you and finding that formula.

"When you find it, you know, the biggest I feel like, one of the biggest lessons I have learned probably mentally throughout my career is that, you know, even if you find a formula that works, it’s not a guarantee, and actually most likely it’s not going to work the next year," he said.

Djokovic also opened up on competing with players half his age, such as World No. 2 Carlos Alcaraz.

"You need to reinvent yourself because everyone else does," he added.

"As a 36-year-old competing with 20-year-olds, I probably have to do it more than I have ever done it in order to keep my body in shape, in order to be able to recover so that I can perform on the highest level consistently," he added.