Alexei Popyrin took a set off 11th seed Daniil Medvedev but lost in four sets.

MIKE DICKSON IN NEW YORK: Nadal denied Medvedev one of the greatest comebacks when he finally forged a 7-5, 6-3, 5-7, 4-6, 6-4 victory that took a breathless four hours and 51 minutes.

At teatime on Friday Rafael Nadal was being feted at the 02 Arena with the presentation of the year-end world number one trophy.

Stefanos Tsitsipas made it sixth time lucky with a surprise win over fellow ATP Finals debutant Daniil Medvedev in their opening round-robin match.

MIKE DICKSON AT FLUSHING MEADOWS: The tears flowed as Rafael Nadal sat on the Arthur Ashe Stadium, watching a montage on the giant screen chronicling all of his Grand Slam triumphs.

MIKE DICKSON IN NEW YORK: Daniil Medvedev has been portrayed at the US Open as some kind of pantomime villain, but the 23 year-old Russian is showing plenty of substance.

MIKE DICKSON IN NEW YORK: From day one there have been instances of the men getting on the wrong side of the crowds or the rules, above and beyond what is normally most fractious of Slams.

MIKE DICKSON IN NEW YORK: The unbreachable defences of Medvedev have gained him the distinction of becoming the first of the younger generation in men's tennis to reach a Slam final.

MIKE DICKSON IN NEW YORK: Nadal denied Medvedev one of the greatest comebacks when he finally forged a 7-5, 6-3, 5-7, 4-6, 6-4 victory that took a breathless four hours and 51 minutes.

MIKE DICKSON AT FLUSHING MEADOWS: The tears flowed as Rafael Nadal sat on the Arthur Ashe Stadium, watching a montage on the giant screen chronicling all of his Grand Slam triumphs.