Zverev beats Khachanov in straight sets to reach US Open final – live

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Updates from first men’s semi-final at 8pm BST, 3pm EST Andrew Lawrence: in praise of five-set tennis | Mail BillyKaren 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 o