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Rafael Nadal has revealed the key to his current superb form after making the best start to a campaign in his career. Nadal, 35, had to end his 2021 season prematurely with injury, and then his planned comeback was scuppered when he tested positive for Covid-19 in December.

However, the Spaniard then remarkably reached the final of the Australian Open, before coming from two sets down in the final to beat Daniil Medvedev and notch his 21st Grand Slam title.

The win not only capped an incredible comeback, but took him clear of great rivals Novak Djokovic and Roger Federer in the battle for the most Slam wins, with the trio having previously all been tied on 20.

And last week, he backed up his success in Melbourne by also claiming the Mexican Open title, beating Britain's Cam Norrie in straight sets in the final.

It was the 91st title of Nadal's career and a fourth in