Big Three era is over, but can anyone step up to challenge Jannik Sinner and Carlos Alcaraz?

The new US Open champion joins Spaniard as dominant force in a new age of tennis, with players born in the 1990s now almost completely bypassed As Jannik Sinner digested his first triumph at the US Open on Sunday, afternoon, his victory closed out the first year since 2002 in which none of Novak Djokovic, Rafael Nadal and Roger Federer has won a grand slam title, putting a new complexion on the sport. The Big Three era, once the focal point of men's tennis, which in recent years has been held up...