ROME—Novak Djokovic said the long awaited “shift of generations” has finally come to men’s tennis after the world number one lost to 20-year-old Dane Holger Rune in the Italian Open quarter-finals.
The ‘Big Three’ of Djokovic, Rafa Nadal, and Roger Federer have dominated the ATP Tour for nearly two decades but age and injury have been catching up with them in recent years.
