New York is the city that never sleeps, and tennis is the sport that cannot get its act together. Carlos Alcaraz's US Open title defence is over after a dramatic five-set quarter-final loss to Ben Shelton that ends at 03:34 local time - the latest finish in the tournament's history. Key points and original sources are listed below.

• New York is the city that never sleeps, and tennis is the sport that cannot get its act together.S1

• Carlos Alcaraz's US Open title defence is over after a dramatic five-set quarter-final loss to Ben Shelton that ends at 03:34 local time - the latest finish in the tournament's history.S2

• Ben Shelton clinched the biggest win of his career as he defeated defending champion Carlos Alcaraz in a five-set epic stretching deep into the New York night to reach the semi-finals of the US Open.S3S4