Carlos Alcaraz plays down concerns over knee issue after easing to victory

A trainer treats Carlos Alcaraz (Yuki Iwamura/AP)

Carlos Alcaraz played down concerns over a knee problem after racing through to the fourth round of the US Open.

The Spaniard called for the trainer late in the second set of his clash with Italy’s Luciano Darderi but then did not lose a single game, wrapping up a 6-2 6-4 6-0 victory in just an hour and 44 minutes.