Carlos Alcaraz and Casper Ruud face off for world No 1 spot in US Open final

The 19-year-old Spaniard would be youngest ever men's world No 1 if he can beat another emerging star in Norway's Ruud

Over the course of an intense, chaotic and wildly entertaining US Open semi-final between Carlos Alcaraz and Frances Tiafoe, as their combined creativity, athleticism and joy merged to create entertainment in its purest form, Alcaraz absorbed so many blows. He conceded a difficult first set tiebreak with a double fault, then after establishing his dominance, he couldn't hold on. Alcaraz continually lost his serve, failed to take a match point and found himself in a fifth set.

There were so many moments when the momentum could have dangerously shifted, but no matter how the match twisted, he maintained his intensity until the end. Across the three consecutive five-set battles that have led him to the final, this resilience has been his defining characteristic. It will make him so hard to put away as he faces Casper Ruud for the men's US Open title on Sunday.