Defending champion Jannik Sinner beat world number 36 Alexei Popyrin in straight sets to secure a safe passage through to round three of the US Open.
The world number one, 24, had lost just four games in a dominant first-round victory over Vit Kopriva.
And Sinner produced another efficient display against Australian Popyrin, who upset Novak Djokovic in the third round of last year’s tournament but did not threaten a repeat here.
The Italian broke Popyrin’s serve early in each of the three sets and wrapped up a clinical 6-3 6-2 6-2 victory on Arthur Ashe Stadium in just over two hours.
“I felt like we both didn’t serve great but I was returning very well, especially on the second serve,” said Sinner, who progressed despite only landing 51% of his first serves in.
“I’m very happy about today. Obviously I’m aiming to improve the serve but, about the rest, I feel quite comfortable.”
Sinner will face Denis Shapovalov, the 27th seed from Canada, in the third round.
