Swiatek in cruise control with Stephens win at US Open

World number one Iga Swiatek cruised into the third round of the US Open on Thursday with a comfortable straight sets win over former champion Sloane Stephens.

Swiatek, who has never gone further than the fourth round in three previous appearances in New York, was in control throughout a 6-3, 6-2 win on the Arthur Ashe Stadium court.

An impressive day at the office for @iga_swiatek. #USOpen pic.twitter.com/2PJG6wzCCl

The 21-year-old from Poland will face American Lauren Davis for a place in the last 16.