The $150 million Arthur Ashe roof finally came into play last night when it was closed during the second set of Rafael Nadal’s win over Andreas Seppi.

Feedback, though, on the sound inside the new Ashe has been mixed, with players complaining about excessive noise and echo with the completed roof structure overhead.

“I felt a lot of noise, a lot of noise on the court,” Muguruza said after a loss last …

Petra Kvitova has enjoyed success at Wimbledon, winning twice, and reaching the semifinals at the French and the Australian Opens. But the Czech has never had similar success at the US Open where she’s only made the quarterfinals once, that being last year.

And part of the problem, she says, is she gets sick a lot in the U.S. And she’s sick again!

“I got sick in Rio when I was staying …

The men’s draw suffered it’s first big loss of the tournament as No. 5 seed Milos Raonic was stunned by American qualifier Ryan Harrison 6-7, 7-5, 7-5, 6-1 in the second round a the US Open.

Raonic, who made the finals at Wimbledon, struggled with a left wrist injury and later cramps.

“A little bit of stress,” Raonic. “I don’t think hydration was an issue. I think I always take that precaution. …

Wednesday at the US Open was a day for Top 3-seeded upsets, former No. 1s taking out Top 10 players, and teenage breakthroughs that thrilled the home crowd.

The two seeded scalps on the day came courtesy of Latvia’s Anastasija Sevastova stunning world No. 3 Garbine Muguruza 7-5, 6-4, and former world No. 1 Caroline Wozniacki posting one of her biggest wins of a terrible year thus far by upsetting No. …

Novak Djokovic will have an extra few days to recover from any ailments he may have this week at the US Open. The Serb was scheduled to play today on Arthur Ashe but his opponent, Jiri Vesely, withdrew with a left forearm injury.

Thanks to the walkover, Djokovic will await the Guido Pella-Mikhail Youzhny winner on Friday. And the 23-year-old Vesely beat Djokovic in their only meeting earlier this year in …

A right shoulder injury that contributed to a Rio Olympics loss nor a tough first-round opponent bothered world No. 1 Serena Williams on Tuesday as she moved safely into the second round at the US Open, defeating Russian Ekaterina Makarova 6-3, 6-3.

“I got off to a fast start, because I knew she was a really tough opponent,” Serena said of the former world No. 8 and Rio Olympics gold medal …

Andy Murray opened his US Open in near perfect form blasting past Lukas Rosol 6-3, 6-2, 6-2.

2014 finalist Kei Nishikori needed four set to put away Benjamin Becker 6-1, 6-1, 3-6, 6-3. Nishikori and Murray could meet in the quarterfinals.

Former champion Juan Martin del Potro had no trouble beating countryman Diego Schwartzman 6-4, 6-4, 7-6(3). It was del Potro’s first match back at the US Open since 2013.

“I am so …

After a 4-set win over Jerzy Janowicz last night at the US Open, Novak Djokovic broke out into song and dance in tribute to opening ceremony act Phil Collins.

Djokovic’s rendition of Genesis’s “I Can’t Dance” may have been the highlight of the night for the 2-time US Open who again struggled with all types of issues.

In a column for the Gulf News, Boris Becker revealed that Novak Djokovic’s had a wrist problem at Wimbledon.

“He has now admitted to be carrying a wrist strain at Wimbledon,” Becker wrote Sunday. “He was unwilling to bring it up since he was beaten fair and square there, but the wrist did trouble him there and is still a problem for him. However, he is the favorite and the …

Top favorites and 2016 Grand Slam champions Angelique Kerber and Garbine Muguruza both advanced into the second round of the US Open on Monday.

Kerber, who won the last hardcourt Slam in Australia, won the first seven games of her match against Polona Hercog before Slovenian retired because she wasn’t feeling well in the heat.

“It’s never the way I would like to finish the match, but I went out there to …

Playing his first match in three weeks, Novak Djokovic labored through a lethargic 6-3, 5-7, 6-2, 6-1 win over Jerzy Janowicz in the first round of the US Open Monday night.

“Each day presents us some kind of challenges that we need to overcome, accept and overcome,” Djokovic said. “It wasn’t easy today playing against Jerzy for the first time. He’s a very, you know, potent player, powerful serve, big forehands. …

The US Open gets underway with former champions Novak Djokovic and Rafael Nadal opening play Monday.

Djokovic has been out with a left wrist injury since his Rio loss earlier this month, and had limited practice while in New York. But the 2-time champion says he’ll be ready for his first round night match against Jerzy Janowicz, a former Top 15 player and Wimbledon semifinalist.

Nadal, who had his own left wrist …

Serena Williams embarks on her quest for a 7th US Open title Tuesday night. But there are questions for the best female tennis player on the planet. She’s got a shoulder issue, she’s 34 going on 35 and she’s on the edge of losing her No. 1 ranking to the on-coming Angelique Kerber. Yet, Serena is still the clear favorite having won the US Open three of the last four …

Falling behind a set and a break was no issue for Pablo Carreno Busta who fought back to beat countryman Roberta Bautista Agut 6-7(6), 7-6(1), 6-4 to win his first career title at the Winston-Salem Open in North Carolina on Sunday.

“It’s an amazing feeling,” the 25-year-old Carreno Busta said. “I worked very hard to be here and now I have to enjoy this moment… To [beat] Roberto you have to …

Agnieszka Radwanska captured her 19th career title beating Elina Svitolina 6-1, 7-6(3) to win the New Haven title Sunday.

The last wildcard entrant blasted Petra Kvitova in the semifinals Saturday 6-1, 6-1 and then roared out to a similar scoreline in the first set of the final before the Ukrainian mounted a late surge.

“A great week for me,” Radwanska told the Hartford Courant. “Great preparation. A couple of great matches. …