Zverev beats Khachanov in straight sets to reach US Open final – as it happened

Alexander Zverev reached his first grand slam final in a row with a 6-3 7-6 (7) 7-6 (6) victory against Karen Khachanov in New York

Karen Khachanov emerges from the tunnel first, followed by Alexander Zverev. Apparently the German was a minute or two late because he needed some extra time in the toilet - we've all been there.

On Arthur Ashe Stadium, a retired servicewoman sings the American national anthem before the players come out. Flags are flying at half mast around the grounds today on the 25th anniversary of the 9/11 attacks. Arthur Ashe was also lit up blue from dusk until dawn this morning.