Still, Sinner is the No. 1-ranked player in men's tennis and has won the past three Grand Slam tournaments played on hard courts, so no one was surprised when he set aside some lapses and emerged to beat No. 27 Denis Shapovalov 5-7, 6-4, 6-3, 6-3 Saturday to take his title defense at Flushing Meadows to the fourth round. "That I have pressure and tension is normal. I've had that for a year, and you need to handle it," the Italian said.
On social media, Kyrgios expressed his disbelief with a single character tweet: an asterisk. This was widely interpreted as a suggestion that Sinner's Wimbledon victory lacked legitimacy.