WASHINGTON, Aug. 30 (Xinhua) -- No. 1 seeds Jannik Sinner of Italy and Poland's Iga Swiatek powered into the third round of the U.S. Open with commanding victories on Thursday.
World No.1 Sinner swept Alex Michelsen of the United States 6-4, 6-0, 6-2 in one hour and 39 minutes.
"It was a real improvement, for sure. I'm looking to get better now in the next days," said Sinner.
World No. 5 and 2021 c
