Iga Swiatek blazes through to the second round of the US Open as she kickstarts her title defense with a straight-sets win over Rebecca Peterson

Iga Swiatek kickstarted her US Open title defense with a 6-0, 6-1 win. The World No. 1 breezed through to the second round on her return to Arthur Ashe, needing just 25 minutes to take the first set.