Serena Williams will face Danka Kovinic in the first round as the American great begins her final US Open campaign.

It will be a final grand slam for 40-year-old Williams, who has won six singles titles in New York and been a runner-up on four occasions.

Her first singles crown in a major came as a 17-year-old at Flushing Meadows, when she beat Martina Hingis in the 1999 final.

Now the end of a glorious career is beckoning for the 23-time singles major winner, who has also landed 16 doubles grand slam titles.

Kovinic is the world number 80 from Montenegro, with the 27-year-old having only won two matches at the US Open in four previous main-draw appearances.

The winner of that match will likely face Estonian second seed Anett Kontaveit in round two. Kontaveit's first-round opponent will be Romanian Jaqueline Adina Cristian.

Defending champion Emma Raducanu, who was a shock winner last year, faces a tricky first-round assignment against France's Alize Cornet.

Cornet is the tour veteran who beat Iga Swiatek at Wimbledon, ending the Pole's 37-match winning streak, and this will be her 64th consecutive grand slam appearance, a record for WTA Tour players.

World number one Swiatek starts against Italian Jasmine Paolini and could face 2017 US Open champion Sloane Stephens in round two.

Former champion Naomi Osaka, unseeded this year, was paired with Danielle Collins, the 19th seed who was an Australian Open runner-up at the start of the year.

The tournament gets under way on Monday.

Men's defending champion Daniil Medvedev faces American Stefan Kozlov in his opener, while Rafael Nadal, who has not lost a grand slam match all year, faces Australian wild card Rinky Hijikata.

Nadal won the Australian Open and French Open titles before pulling out of Wimbledon ahead of his semi-final against Australian Nick Kyrgios due to an abdominal tear.

That handed Kyrgios a bye through to face Novak Djokovic, who got the better of the Australian, but the Serbian must miss the US Open because his refusal to be vaccinated against the COVID-19 virus meant he would not be allowed to enter the United States.

Djokovic's absence was confirmed shortly before the draw was revealed.

Fast-rising Spanish teenager Carlos Alcaraz begins against Argentina's Sebastian Baez, while fourth seed Stefanos Tsitsipas will face a yet-to-be-determined qualifier.

US Open boss Stacey Allaster said it was "very unfortunate" that Novak Djokovic would have to miss the upcoming grand slam.

Shortly before the draw announcement, it was confirmed that three-time Flushing Meadows champion Djokovic would be absent.

His stance on refusing a COVID-19 vaccination meant he would be prevented from entering the United States, denying the 35-year-old another shot at glory in New York.

Tournament director Allaster said: "Novak is a great champion and it is very unfortunate that he will be unable to compete at the 2022 US Open, as he is unable to enter the country due to the federal government's vaccination policy for non-US citizens.

"We look forward to welcoming Novak back at the 2023 US Open."

The tournament begins on Monday, with Russian Daniil Medvedev defending the title he secured by beating Djokovic in last year's final, when entry requirements to the US were not so restrictive.

Serbian Djokovic has won 21 grand slam titles, one fewer than Rafael Nadal who has already arrived in the Big Apple ahead of the final major of the year.

Nadal moved ahead of Djokovic and clear at the top of the men's all-time list by winning the Australian Open and French Open titles this year, before having to withdraw from a Wimbledon semi-final against Nick Kyrgios because of an abdominal tear.

Djokovic was not allowed to play at the Australian Open at the start of the year, when issues surrounding his visa ended with him being deported from Melbourne on public health grounds due to not taking the vaccine.

Novak Djokovic will play no part in the US Open, the second grand slam he will have missed this year because of his stance on refusing a COVID-19 vaccination.

The Wimbledon champion announced on Thursday, shortly before the draw in New York, that he would not be making the trip to Flushing Meadows.

He posted on social media: "Sadly, I will not be able to travel to NY this time for US Open."

The 35-year-old Serbian, who has won 21 grand slam titles, added: "Good luck to my fellow players! I’ll keep in good shape and positive spirit and wait for an opportunity to compete again. See you soon tennis world!"

Djokovic, who lost to Daniil Medvedev in last year's final in New York, had his route to the United States blocked by red tape this time around.

US authorities are refusing to allow unvaccinated foreign visitors to enter the country. Djokovic, a three-time US Open winner, has been steadfast on his position regarding the vaccine.

The United States Tennis Association (USTA) pledged to adhere to government rulings surrounding coronavirus protocols, despite including Djokovic on the US Open entry list last month.

However, he had first to be allowed to enter the country before he could consider competing, and that was out of the USTA's hands.

In late July, Djokovic said he was "preparing as if I will be allowed to compete"; however, he was unable to travel for the build-up tournaments, and now he will miss the major too.

"Thank you #NoleFam for your messages of love and support," he told his fans on Thursday.

Djokovic was not allowed to play at the Australian Open at the start of the year, when issues surrounding his visa ended with him being deported from Melbourne on public health grounds due to not taking the vaccine.

American great John McEnroe said it was "a joke" that Djokovic should have to miss the US Open too, and called for a solution to be found, but that has not come about.

The current entry rules for international travellers to the United States were not in place when Djokovic was toppled by Medvedev in last year's men's singles final, the result that ended his hopes of a calendar Grand Slam.

Iga Swiatek is still a standout candidate to win the US Open, even if the WTA field has plenty of strength in depth, so says Laura Robson.

The latest iteration of the season's final grand slam gets under way on August 29, with Emma Raducanu looking to mount a successful defence at Flushing Meadows.

But with six different winners in the last eight WTA majors, the race is wide open to take glory in New York, particularly after three-time major winner Ash Barty called time on her career following this year's Australian Open.

That leaves former British number one Robson feeling any title fight is too tough to call, though she believes the strength of the field makes it all the more thrilling and unpredictable.

"I think it just shows that there's a lot of depth on the WTA side," she told Stats Perform. "You've got 15 players in any given slam [who could win], which for me makes it more exciting.

"I'm pumped when I see the draw come out, because things can open up so quickly. Had Ash Barty not retired earlier this year, then she probably would have been the front runner going into the rest of the season.

"It really could be anyone. Ons Jabeur is playing great tennis, [Elena] Rybakina and then [Paula] Badosa, on hardcourts is playing great as well."

Robson acknowledged it is tough to look past world number one Swiatek, though. The Pole claimed her second French Open crown earlier this year and has won 50 matches in 2022.

"She just looked like she was on fire," Robson added, before suggesting Swiatek's defeat at Wimbledon to Alize Cornet came merely because "she just ran out of gas".

"I think she's going to transition a little slower on to the hard courts then at the US Open. They're not quite the same surface that works best for her game.

"But at the same time, you know, she's got so much confidence at the moment that you can't really bet against her."

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Emma Raducanu is making a "natural transition" to the WTA Tour, says former British number one Laura Robson.

Raducanu became a grand slam winner in just her second major appearance when she defeated fellow teenager Leylah Fernandez in last year's US Open final, and the first qualifier to win the women's singles at Flushing Meadows.

Since then, the 19-year-old has cracked the top 10 of the WTA Rankings, but has otherwise endured a mixed run of form, with a last-16 exit in the Western and Southern Open her latest result ahead of a return to New York, while she has also changed coaches in a season that has so far failed to produce a trophy.

But Robson thinks they are mere teething troubles for Raducanu, arguing that her difficulties have been blown out of proportion.

"I wouldn't say she struggled," Robson told Stats Perform. "I think she's making it a natural transition to the main tour.

"Emma came through so quickly, then struggling to catch up to the day-to-day life of being a professional tennis player, which is a lot of time away from home, a lot of training weeks, a lot of travel.

"She hasn't been able to put that time in. I thought she played great last week in Washington, and unfortunately, had a very tough draw against Camila Georgi in the first round last night.

"But I think she's playing some great tennis. So, I feel when she's back on the courts at US Open, they really suit her and hopefully some positive vibes will help as well."

Robson, a former Junior Wimbledon champion in 2008, won the WTA Newcomer of the Year prize in 2012 after claiming a silver medal alongside Andy Murray in the mixed doubles at London 2012, but ultimately struggled with a succession of injuries before her retirement this year.

She is loathe to draw parallels between her own experiences and those of Raducanu but hopes time can be afforded to the youngster.

"I mean, I wouldn't even compare my situation to hers, because Emma came through so quickly that it feels like she's only just catching her breath," she added.

"She just needs time to manage her own expectations. I hope she's not even thinking about anyone else's expectations because they really don't matter in the grand scheme of things.

"I think she just needs a good amount of training work, which I know she has been doing anyway. And the results will come because they think she's an incredible ball striker and a great athlete as well."

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Three-time grand slam champion Angelique Kerber has announced she is pregnant and will miss the US Open as "two against one just isn't a fair competition."

The former world number one on Wednesday revealed she will not be around on the WTA Tour "for a while", as she is expecting her first child.

Kerber, 34, says she is "nervous and excited" by the "new path" she is heading in.

The German posted on Instagram: "I really wanted to play the @usopen but eventually I decided that two against one just isn't a fair competition.

"For the next months, I will take a break from traveling the globe as a tennis player but then again, I believe it’s for the best possible reason! I will miss all of you.

"New York has often been a turning point in my career and it feels like this year will be no different in some way! From restarting my career in 2011 to winning the title in 2016 and becoming #1 in the world… the @usopen have a special place in my heart and I wish I could have said goodbye to all of you on court before not being around on tour for a while.

"Being a professional athlete means everything to me but I'm grateful for the new path I'm heading to. To be honest, I'm nervous and excited at the same time. Thanks for your continued support - it means everything to me "

Kerber's announcement came just five days before the US Open gets under way at Flushing Meadows.

The left-hander was crowned champion in New York six years ago after also winning the Australian Open in 2016 and she went on to take the Wimbledon title in 2018.

Retiring legend Serena Williams has indicated she "will always have some sort of involvement" in tennis as she prepares for the US Open, in what will be the final Grand Slam of her career.

The 40-year-old has won 23 major singles titles, while also adding 14 doubles championships in a brilliant career, but will be hanging up her racquet after she plays in the tournament she has won six times.

Her first time lifting the US Open trophy came in 1999, but even after spending over two decades at the top level of the sport, Williams says she will continue to be active in tennis.

"I will never retire from something I absolutely love," the American told Meghan Markle on the Duchess' new Spotify podcast.

"I will always have some sort of involvement in it. Maybe not professionally, but I will always want to be involved in some form in tennis. Obviously, I’ve retired professionally, but it’s also an evolution."

Williams also outlined her plans for the future, adding: "I really want to expand my family, and you know I’ve been putting it off for so long.

"As a woman, there’s only so long you can put that off and other people out there, other men out there, can continue to play. My best is being a mom; I think I can do really good at that."

Fellow tennis legend John McEnroe has heaped praise on Williams ahead of the tournament at Flushing Meadows, commenting: "The way that she moves the needle when she plays, it's like Tiger Woods and golf.

"You can look at the accomplishments, she has the Grand Slam victories. Off the court, I know that she's had a lot of difficulties in her life that she talks about in her own documentaries, but she has come out the other end as this icon, global superstar.

"Her story alone, what she represents as someone who's an African-American girl who came from a tough situation, and became the greatest player that ever lived. What that represents for us, and maybe around the world, is an opportunity that it can happen to anyone potentially."

Retiring legend Serena Williams has indicated she "will always have some sort of involvement" in tennis as she prepares for the US Open, in what will be the final Grand Slam of her career.

The 40-year-old has won 23 major singles titles, while also adding 14 doubles championships in a brilliant career, but will be hanging up her racquet after she plays in the tournament she has won six times.

Her first time lifting the US Open trophy came in 1999, but even after spending over two decades at the top level of the sport, Williams says she will continue to be active in tennis.

"I will never retire from something I absolutely love," the American told Meghan Markle on the Duchess' new Spotify podcast.

"I will always have some sort of involvement in it. Maybe not professionally, but I will always want to be involved in some form in tennis. Obviously, I’ve retired professionally, but it’s also an evolution."

Williams also outlined her plans for the future, adding: "I really want to expand my family, and you know I’ve been putting it off for so long.

"As a woman, there’s only so long you can put that off and other people out there, other men out there, can continue to play. My best is being a mom; I think I can do really good at that."

Fellow tennis legend John McEnroe has heaped praise on Williams ahead of the tournament at Flushing Meadows, commenting: "The way that she moves the needle when she plays, it's like Tiger Woods and golf.

"You can look at the accomplishments, she has the Grand Slam victories. Off the court, I know that she's had a lot of difficulties in her life that she talks about in her own documentaries, but she has come out the other end as this icon, global superstar.

"Her story alone, what she represents as someone who's an African-American girl who came from a tough situation, and became the greatest player that ever lived. What that represents for us, and maybe around the world, is an opportunity that it can happen to anyone potentially."

John McEnroe has called Novak Djokovic's potential absence from the US Open over his vaccination status a "joke".

The United States does not currently allow those who have not received the COVID-19 jab into the country, putting the unvaccinated Djokovic in real danger of missing this year's edition of the tournament he has won three times.

The Serb has already missed the Australian Open this year because of his lack of vaccination, while also missing tournaments at Indian Wells in California, as well as the Rogers Cup in Canada.

He did however win his 21st Grand Slam at Wimbledon earlier this year, and McEnroe believes Djokovic should be allowed to play at Flushing Meadows as he chases down Rafael Nadal for the most Grand Slam titles in history.

Ahead of the tournament in New York, McEnroe told reporters: "No, I don't think it's fair. I think it's a joke.

"I would have had the vaccine and gone and played but he's got very strong beliefs and you have to respect that. 

"At this point, in the pandemic, we're two and a half years in, I think people in all parts of the world know more about it, and the idea that he can’t travel here to play, to me is a joke."

On whether Djokovic's decision not to get the vaccine could affect his competition with Nadal and Roger Federer to become the most decorated male player ever, McEnroe replied: "That's the question that we all want to know the answer to.

"Obviously, Rafa Nadal has benefited from that. These three guys are already above everyone else. So, it makes it extremely interesting to see these two go at it and then you think of Roger Federer but he's been hurt for a while."

However, McEnroe believes Djokovic can overcome his vaccination status to win more titles, adding: "Who's to say [Djokovic] can't do it for another couple of years?

"Let's say that he wins three or four more. That's not impossible, by any means. Despite this, he can still get to 25. I think it's made it more complicated to do it because that has to wear on you mentally.

"Training this past month or six weeks not knowing whether he's going to play, that's going to put a strain on you mentally just as it was when he got thrown out of Australia. I think it took him three, four months to get his head right."

The clock is ticking on Novak Djokovic's prospects of playing at the US Open, two days out from the draw at Flushing Meadows.

Wimbledon champion Djokovic, who lost to Daniil Medvedev in last year's final in New York, has his route to the United States blocked by red tape at present.

US authorities are refusing to allow unvaccinated foreign visitors to enter the country, and barring a change of policy on that front, his hopes appear forlorn. Djokovic, a three-time US Open champion, has refused to accept any COVID-19 vaccine.

The United States Tennis Association (USTA) has pledged to adhere to government rulings surrounding coronavirus protocols, despite including Djokovic on the US Open entry list last month.

He remains on that list for now, but there was an indication that the US Open may not be expecting to see Djokovic when a promotional poster was revealed this week that featured four top women players and four leading men.

The men selected were defending champion Medvedev, 22-time grand slam winner Rafael Nadal, Australian Nick Kyrgios and Spanish teenager Carlos Alcaraz. All were archive pictures, so Djokovic could easily have been selected for the advertising campaign.

His exclusion prompted an angry response on social media from some fans of the 35-year-old Serbian, with one saying it would be "a failed tournament if he doesn't participate in it".

The US Open draws are due to take place on Thursday ahead of the start of the tournament on Monday.

Leading players are already assembling on site, with Medvedev, Serena Williams, Nadal, Alcaraz, Simona Halep and Andy Murray among those with practice sessions booked in for Tuesday.

For Djokovic to be allowed into the United States, it appears he would require a sudden change of entry rules from law-makers, or he would have to be considered suitable for an exemption.

In late July, he said he was "preparing as if I will be allowed to compete"; however, he has not been able to travel for the build-up tournaments.

On Instagram, Djokovic's last tennis-related post came on Monday night as he sent a congratulatory message to shock Cincinnati champion Borna Coric, telling the Croatian: "Bravo king! Totally deserved. All the effort and patience paid off. Go ahead and good luck."

Djokovic was not allowed to play at the Australian Open at the start of the year, when issues surrounding his visa ended with him being deported from Melbourne on public health grounds due to not taking the vaccine.

American great John McEnroe told Tennis 365 in July it was "crazy" that Djokovic should have to miss the US Open and called for a solution to be found.

The current entry rules in the United States were not in place when Djokovic was toppled by Medvedev in last year's men's singles final, ending his hopes of a calendar Grand Slam.

World number two Alexander Zverev has withdrawn from the US Open as he recovers from ankle surgery.

The German went under the knife after tearing all three of the lateral ligaments in his right ankle during his French Open semi-final against Rafael Nadal.

Zverev will not make his comeback at the final grand slam of the year in New York, as his withdrawal was announced on Monday.

The 25-year-old reached his only major final at Flushing Meadows two years ago, losing to Dominic Thiem.

Zverev stated after his operation that surgery was "the best choice" to ensure his ligaments heal properly and he could return to competition "as quickly as possible."

The US Open gets under way next Monday, with doubts remaining over whether Novak Djokovic will be able to play due to the 21-time grand slam champion opting against receiving a coronavirus vaccine.

The prize pot for this year's US Open will top $60million for the first time in the competition's history, event organisers have announced.

The 2022 edition at Flushing Meadows gets under way on August 29 and runs for just under two weeks.

It was revealed on Thursday that $60m will be up for grabs, topping the previous record of $57.5m from last year, with both singles champions to receive $2.6m.

Players will be given $80,000 for making the main draw and $121,000 should they make it to the second round. Runners-up in the singles will pocket $1.3m.

In the doubles, the champions will receive $688,000, the runners-up $344,000 and the semi-finalists $172,000.

Emma Raducanu admitted she has been "too tense" in recent defeats and is aiming to play more freely as she prepares to defend her US Open title.

Raducanu has struggled to follow up last year's shock win at Flushing Meadow, but she appears to have hit form at just the right time.

The 19-year-old has beaten both Serena Williams and Victoria Azarenka in straight sets during this week's Western and Southern Open in Cincinnati, dropping just four games against Williams and two against Azarenka.

Her win against Azarenka on Wednesday was just Raducanu's third career victory against a top-25 opponent, after beating Belinda Bencic and Maria Sakkari on her way to winning last year's US Open.

Speaking after her win against the Belarusian, Raducanu said: "I think I have tried a lot of things, and this year I think some matches, I have lost a lot of matches from leading situations and probably just played too tense.

"I think that I just need to swing, and I just said that these two tournaments, or this tournament especially, I'm just going to swing freely and take that and see what happens."

Raducanu also said she will wait until after the tournament to reflect on beating two multiple grand slam champions with relative ease.

"I think after the tournament I actually have to take a step back and be like, 'Look, you just beat two unbelievable champions'," she said. "It's a pretty good achievement. You know how difficult the wins are to come by."

The number 10 seed will face seventh seed Jessica Pegula in the third round in Cincinnati on Thursday.