Says rivalry great for pair as well as for tennis, which endured retirements of Roger Federer, Rafa Nadal and Andy Murray in recent years.

The best of the rivalry between Jannik Sinner and Carlos Alcaraz is yet to come, according to the Italian’s coach.

Italian tennis star Jannik Sinner downed his Spanish archrival Carlos Alcaraz 4-6, 6-4, 6-4, 6-4 on Sunday to win his first Wimbledon title, gaining sweet revenge for his painful defeat in last...