Jannik Sinner on his training with Rafael Nadal

Tennis World

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Jannik Sinner on his training with Rafael Nadal

Jannik Sinner, prior to the last edition of the Australian Open, took advantage of the precious opportunity to train with former world number one Rafael Nadal, champion in Melbourne in 2009 and winner of 20 Grand Slam titles. Sinner, who then conquered his first ATP title at the Great Ocean Road Open, defeted fellow countrymen Stefano Travaglia in the final, lost in the first round of the Australian Open to Canadian Denis Shapovalov, in a long m…