Carlos Alcaraz trained with Roger Federer at the Shanghai Masters ahead of the ATP Finals, to be held in Turin, Italy.
For more than a decade, men's tennis has been dominated by the 'Big Three' — Roger Federer, Rafael Nadal and Novak Djokovic.
Novak Djokovic is the most successful player in the history of the ATP Finals when it comes to title wins, but he will not be ...