Carlos Alcaraz overpowered Novak Djokovic in straight sets on Friday to set up a blockbuster US Open final showdown against world number one and defending champion Jannik Sinner. Spanish second seed Alcaraz produced a ruthlessly efficient display to end Djokovic’s latest bid for a record 25th Grand Slam title, winning 6-4, 7-6 (7/4), 6-2 in two hours and 23 minutes. Alcaraz was then followed into the final by arch-rival Sinner, who was forced to work hard by Canadian 25th seed Felix Auger-Aliassime before wrapping up a 6-1, 3-6, 6-3, 6-4 victory on the Arthur Ashe Stadium court. It means that Alcaraz and Sinner will collide in a third consecutive Grand Slam final this year on Sunday, where United States President Donald Trump will be among a 23,000 crowd to watch the latest instalment of the gripping “Sincaraz” rivalry. Alcaraz won the duo’s first meeting in an epic five-hour 29-minute tussle at the French Open in June before Sinner dethroned the Spaniard in the final at Wimbledon the following month. Alcaraz...