MEN'S UPDATE, DAY 5: Sinner romps into US Open third round

Jannik Sinner kept his bid to win back-to-back US Open titles firmly on track with an emphatic second round demolition of Australia's Alexei Popyrin on Thursday.
The Italian world No 1 needed just two hours and one minute to dispatch Popyrin 6-3, 6-2, 6-2.
Sinner – who only dropped four games in his first round win over Vit Kopriva on Tuesday – was similarly brisk against Popyrin.
The 24-year-old broke Popyrin five times as he moved through the gears against his opponent, ranked 36th in the world.
Jannik Sinner aces the Popyrin test in straights! 💯 pic.twitter.com/hrXX019h6v
— US Open Tennis (@usopen) August 28, 2025
Sinner faces Canadian 27th seed Denis Shapovalov in the third round on Saturday.
"Obviously I try to play the best tennis I can, the first round match is always different compared to the further you go (in the tournament)," Sinner said.
"I'm very happy that I managed these matches as good as I could, when you are up two sets and a break you try to serve as best as you can.
"Today, it felt like neither of us served well but I was returning well and especially on the second serve. I am happy about today, I am aiming to improve on the serve but the rest (of my game) I am quite comfortable with."
Sinner has reached the final of all three Grand Slams this season, winning the Australian Open and Wimbledon either side of a defeat to Carlos Alcaraz at the French Open.
He is bidding to become the first man to successfully defend the US Open since Roger Federer won the last of five consecutive titles in 2008.
WINS FOR MUSETTI, RUBLEV AND WONG
Italian 10th seed Lorenzo Musetti matched his best US Open run as he eased past Belgium's David Goffin.
Russian 15th seed Andrey Rublev beat American wild card Tristan Boyer in four sets. He advances to a last-32 tie with Hong Kong's Coleman Wong.
Wong, a 21-year-old qualifier, extended his New York fairytale with a 7-6 (7/5), 6-2, 4-6, 6-4 win over Australian Adam Walton.
The 173rd-ranked Wong had already made history earlier in the week by becoming the first man from Hong Kong to win a Grand Slam singles match.
Karen Khachanov became the biggest casualty so far in the men's draw as the Russian ninth seed blew a two-set lead and lost 2-6, 6-7 (4/7), 6-4, 7-5, 7-6 (10/5) to Poland's Kamil Majchrzak.
Two points from defeat, after more than four hours...
— US Open Tennis (@usopen) August 28, 2025
Take a bow, Kamil Majchrzak 😮💨 pic.twitter.com/MHj7ypuZBA
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