Victory at Flushing Meadows on Sunday night saw Carlos Alcaraz anointed both the US Open champion and the new world number one.

The victor of the New York final between Alcaraz and Casper Ruud would climb to the top of the ATP rankings, and a four-set success for the 19-year-old made him the youngest ever men's number one.

That record had previously belonged to a 20-year-old Lleyton Hewitt in November 2000.

Although Alcaraz's huge potential has long been public knowledge, the chances of him beating Hewitt's mark still seemed remote when he started 2022 ranked 32nd.

Even Juan Carlos Ferrero, the Spaniard's coach, did not anticipate a major breakthrough this soon, telling reporters after Sunday's win: "Of course, it comes very fast.

"It's a surprise for everybody except maybe to me, because I trained with him every day and I know [how] he's able to play on the court, [but] I was pretty sure that maybe it wasn't this year; it could be the next one."

By the time he took to Arthur Ashe Stadium against Ruud, however, Alcaraz's ascent to the top of the sport was a surprise to nobody.

Moving from number four to first place might have tied the biggest leap to number one in rankings history, but Alcaraz leads the ATP Tour in both match wins (51) and titles (five) in 2022.

There is little prospect of him slowing now, having become the first man in the Open Era to win the US Open title as early as in his second entry; the last to do so in any era was Pancho Gonzales back in 1948.

"Of course, I'm hungry for more," Alcaraz said afterwards. "I want to be in the top for many, many weeks. Hopefully many years.

"I'm going to work hard again after this week, this amazing two weeks. I'm going to fight to have more of this."

And Alcaraz will have to fight – Ferrero knows as much as that.

"The players now are going to play very motivated against him," the teenager's coach added. "Now he's number one. Before he was two or three.

"Even like this, it's like Real Madrid-Barcelona, there's a rivalry that gets you [to] increase your level. It's what is going to happen to him against his opponents. He has to be ready."

Since Roger Federer became the 23rd different men's number one in February 2004, the rankings have been dominated by the 'Big Three', with only Andy Murray and then, this year, Daniil Medvedev also leading the Tour in that time.

Now, as the 28th number one, Alcaraz – compared by Ruud to each of Federer, Rafael Nadal and Novak Djokovic – can set about securing his own long stay at the summit.

Carlos Alcaraz has a mixture of the qualities Rafael Nadal and Novak Djokovic possess, according to the man he defeated in the men's US Open final Casper Ruud.

Prodigious Spanish talent Alcaraz became a grand slam champion for the first time at the age of just 19 thanks to a 6-4 2-6 7-6 (7-1) 6-3 triumph at Arthur Ashe Stadium on Sunday.

It was a win that propelled him to the top of the world rankings for the first time, while Ruud has now lost two slam finals this year having been defeated by Nadal at the French Open.

Ruud was philosophical about losing to a player many believe will be the dominant force in the men's game, likening his movement on the court to legends Nadal and Djokovic.

"When someone asks about a player's biggest weapon you tend to think forehand, backhand, serve, whatever it is," Ruud said.

"But sort of his movement is one of his many weapons. It makes us other players feel like you need to paint the lines sort of to be able to hit a winner. Sometimes even that's not enough.

"He's very fast. He's very quick. He's a great mover. He can get to balls that we've probably never seen before.

"But you have other great movers, as well. I mean, this game has become so physically demanding, and all the players in the top of the world, they do the right things to improve always.

"Speed, agility of the players I think are just improving, improving. The physical aspect has been not changed but it has improved by everyone.

"I think Novak and Rafa and also [Roger] Federer, I think they kind of set the bar on how well you can move out there. 

"Rafa, when he was Carlos' age, he was also similar. He tracked down everything. Almost no one could hit a winner on him. Novak the same with his flexibility. He gets to certain shots that you think, 'how is that even possible?'

"Carlos has sort of a mixture of both. He's fast, flexible. He can slide around. It's impressive. He's a hard nut to crack."

Ruud can take consolation from the fact his second appearance at a slam final was a marked improvement on Roland Garros where Nadal breezed to a 6-3 6-3 6-0 triumph.

The Norwegian conceded he had more belief going up against Alcaraz in New York, though he – somewhat tongue-in-cheek – added he hopes not to play a Spaniard in any future slam finals.

"I think obviously if you reach a grand slam final, whoever you play will be a great player on the opposite side of the net," he added.

"At Roland Garros, it was hard for me to believe that I could beat Rafa. Today was not easier, but I believed it more. I think these two tournaments have sort of made my self-belief to win a grand slam grow.

"Hopefully these two experiences can help me. I guess I hope I don't play a Spanish player if I ever reach another slam final! They know what they're doing in the slam finals. Let's hope for another than a Spanish [player]."

Ruud added: "I still thought I was the underdog in a way because of Carlos, he's on paper higher ranking and all these things. 

"But it was more fun for me today. I didn't need to play the biggest idol of my life on the biggest match of my life. It was sort of easier for me to believe that I could win."

Carlos Alcaraz never thought his success would come as quickly as it has, with the 19-year-old becoming the youngest men's world number one in history by defeating Casper Ruud in the US Open final on Sunday.

It was Alcaraz's first grand slam final, and in the process he broke the record for the most cumulative court time at a single grand slam after grinding through three consecutive five-set matches in the lead-up to the four-set final.

This is the third big tournament the Spaniard has won this year. He became the first player born after the year 2000 to win an ATP 1000 Masters event when he beat Ruud at the Miami Open, and then followed it up with a straight-sets win over Alexander Zverev in the Madrid Open final.

Speaking to the media after his maiden major title, Alcaraz called it "crazy" and a "dream".

"Well, it's crazy for me," he said. "I never thought that I was going to achieve something like that at 19 years old – everything has come so fast.

"For me it's unbelievable. It's something I've dreamed since I was a kid, since I started playing tennis. Of course, lifting this trophy today is amazing for me.

"Right now I'm enjoying the moment – I'm enjoying having the trophy in my hands – but, of course, I'm hungry for more. 

"I want to be at the top for many, many weeks – hopefully many years. I'm going to work hard again after this… I'm going to fight for more of this."

With his rapid rise to the pinnacle of the sport, Alcaraz said his victory in Miami was when he realised the path he was on could include grand slam titles.

"Honestly, since I won Miami," he said. "Since I won Miami, I thought I was able to have a grand slam in my hands.

"But before Miami, I was thinking that I have to still grow up. I thought that I'm able to have good results in a grand slam, but not a champion.

"But I would say after Miami – I won great matches in a row – I would say after that I thought that I'm able to win a grand slam."

Casper Ruud was understandably disappointed to miss out on the US Open title and the world number one spot, but he vowed to continue his pursuit of a major breakthrough.

Ruud played his second grand slam final of the season at Flushing Meadows on Sunday, yet that match ended in the same manner as his French Open defeat to Rafael Nadal.

The Norwegian, who would have led the rankings had he taken the title, went down 6-4 2-6 7-6 (7-1) 6-3 to Carlos Alcaraz, who instead himself became the youngest ever number one.

It was the first major final played between two men looking to become number one for the first time.

Ruud was bidding to make the biggest leap to the top of the rankings, having previously been the world number seven.

It was not to be, but the 23-year-old's reward for his form in New York was number two – a fine consolation prize.

"It's tough to explain everything," Ruud said, reflecting on his season. "Things have been going so well. I'm so excited for it.

"Today was a special evening. Both Carlos and I knew what we were playing for, we knew what was at stake.

"It's fun that both finalists would be number two and number one tomorrow. I think it's fitting.

"I'm disappointed, of course, that I'm not number one, but number two is not too bad either. I will continue to chase for my first grand slam and the number one ranking."

Carlos Alcaraz was determined fatigue would not get the better of his US Open title tilt, but he accepted he was "a little bit" tired after defeating Casper Ruud in Sunday's final.

Alcaraz set a grand slam record for the most time spent on court at a single tournament, in large part due to playing five-set matches in the fourth round, quarter-finals and semi-finals.

Still, the 19-year-old had enough energy left to take down Ruud in four sets, with his 6-4 2-6 7-6 (7-1) 6-3 victory making him a first-time major champion and the new world number one.

Asked if he would now acknowledge the effects of this run on him, Alcaraz replied: "A little bit.

"I always say it's not time to be tired in the final round of a grand slam or any tournament; you have to give everything on court, everything you have inside. It's something I work really, really hard on."

Alcaraz is the youngest player to ever sit atop the men's rankings, and he added: "This is something I dreamt of since I was a kid, to be number one in the world, to be a champion of a grand slam.

"It's something I worked really, really hard for. It's tough to talk right now. There's a lot of emotions right now.

"This is something I tried to achieve. All the hard work I did with my team, my family... I'm just 19 years old, so all the tough decisions are with my parents, my team as well. This is something that is really, really special for me."

Carlos Alcaraz defeated Casper Ruud in four sets to win his first major at the US Open and make history in moving to the top of the ATP rankings.

Either Alcaraz or Ruud would have taken the world number one spot had they won at Flushing Meadows, and it was the 19-year-old who prevailed 6-4 2-6 7-6 (7-1) 6-3 on Sunday.

The teenager – the second-youngest New York champion of the Open Era after Pete Sampras – therefore became the youngest ever men's number one.

Alcaraz had come through five-set matches in each of the prior three rounds, and he was again worked hard by Ruud – the new number two.

Ultimately, though, the highly talented Spaniard had the staying power to win his first grand slam title, becoming the first teenager to do so since Rafael Nadal at the 2005 French Open.

Despite the draining efforts of previous nights, Alcaraz made a rapid start, quickly forging three break points in the third game of the match and taking the second of them.

Ruud did little else wrong in the first set but had to bide his time to respond, losing the opener and fending off an opportunity for a break in the second before immediately applying pressure going the other way.

The Norwegian reached an Alcaraz drop shot and lobbed his opponent before watching the backhand reply land long to lead, although three unforced errors in the next game almost let Alcaraz back in.

Instead, Ruud dug in and then profited when a sloppy Alcaraz service game allowed him to clinch the second set.

Alcaraz responded in sublime fashion, immediately piling on the pressure in the third frame and breaking down Ruud's defence with a pinpoint drop shot, yet the set was level again when he crashed into the net, with a sensational rally required to reach a tie-break.

A couple of wild Ruud strokes decided the 73-minute set in Alcaraz's favour, though, and the fifth seed went long in the fourth to set his opponent on course, with an emotional victory secured in ruthless style.

Data Slam: Marathon man Carlos crowned in New York

Only the third player to reach the US Open final after winning in five sets in each of the prior three rounds, Alcaraz avoided seeing another match going all the way – even if past results suggest that would have worked in his favour.

Regardless, Alcaraz set a new record for the most time spent on court at a major tournament. Since 1999, when this data was first available, Kevin Anderson's 2018 Wimbledon run had previously represented the benchmark.

ACES/DOUBLE FAULTS

Alcaraz – 14/3
Ruud – 4/2

WINNERS/UNFORCED ERRORS

Alcaraz – 55/41
Ruud – 37/29

BREAK POINTS WON

Alcaraz – 3/11
Ruud – 3/10

Carlos Alcaraz will "give everything" to win the US Open and become world number one as he prepares to face Casper Ruud in Sunday's final.

Alcaraz overcame home favourite Frances Tiafoe in a thrilling five-set semi-final at Flushing Meadows on Friday, winning 6-7 (6-8) 6-3 6-1 6-7 (5-7) 6-3.

The 19-year-old will take on Ruud for the title after the Norwegian beat Karen Khachanov in four sets earlier in the day.

The honour of becoming world number one will also be on the line for both, after current holder Daniil Medvedev was eliminated in the round of 16 by Nick Kyrgios.

Speaking on-court after his victory against a spirited Tiafoe, Alcaraz said: "To be honest in the semi-final of a grand slam you have to give everything. 

"We have to fight until the last ball. It doesn't matter if we are fighting for five hours, six hours. It doesn't matter. You have to give everything on court. Frances gave everything on court. This is amazing."

The winner of Sunday's final will seal his first career grand slam, while Alcaraz will create history if he wins as it will make him the youngest world number one since the ATP rankings began in 1973.

It will be the Spaniard's first grand slam final, while his opponent appeared in a losing effort to Rafael Nadal in June's French Open final.

Alcaraz will need to recover from his third consecutive five-set match at the US Open, but insisted he will "give everything" to win.

"It's amazing to be able to fight for big things. First time in the final of a grand slam. I can see the number one in the world, but at the same time it's so far away," Alcaraz added.

"I have one more to go against a player who is unbelievable. He deserves to play a final. He played the final of a grand slam in Roland Garros. This is my first time. 

"I'm going to give everything that I have. I will have to handle the nerves of being in a final of a grand slam, but obviously I'm really, really happy and as I said before every match, I'm going to enjoy the moment."

Frances Tiafoe insisted he will return and win the US Open "one day" after coming up short in an enthralling five-set semi-final against Carlos Alcaraz.

The home favourite won the first and fourth sets on tie breaks, only to lose the decider as his 19-year-old opponent sealed a 6-7 (6-8) 6-3 6-1 6-7 (5-7) 6-3 victory on Friday.

Tiafoe was emotional after his loss as an appreciative crowd at Flushing Meadows acknowledged his efforts.

"I gave everything I had," he said during his on-court interview. "Too good from Carlos tonight.

"I gave everything I had for the last two weeks. I came here wanting to win the US Open and I feel I let you guys down."

The 24-year-old had an impressive run in the tournament, beating higher seeds Diego Schwartzman, Rafael Nadal and Andrey Rublev to reach the final four.

"This one hurts. This one really, really hurts," he added. "Too good from Carlos, you're gonna win a lot of grand slams, you're a hell of a player, hell of a person.

"I'm happy I got to share the court and such a big stage with you. 

"I'm going to come back and I will win this thing one day. I'm sorry guys."

Alcaraz will face Casper Ruud in Sunday's final after the Norwegian beat Karen Khachanov in four sets in Friday's other semi-final.

Casper Ruud called facing off against Carlos Alcaraz in the US Open final with the world number one ranking also on the line "the ideal situation" after successfully navigating the challenge of Karen Khachanov in Friday's semi-final.

Ruud needed just over three hours to defeat the Russian 7-6 (7-5) 6-2 5-7 6-2, becoming the first Norwegian man to ever reach the US Open final.

With Alcaraz outlasting Frances Tiafoe in a five-set battle of attrition, the 23-year-old Ruud and 19-year-old Alcaraz will both be seeking their first ever grand slam title in Sunday's decider.

Speaking to the media before Alcaraz's match, Ruud said he hoped it would be the Spaniard who made it through so they could play off for the number one ranking.

"I think what's most fair is if we both reach the final and whoever wins the final reaches the world number one," he said. "That would be, I think, the ideal situation."

He then dove into some strategy about what it takes to beat the teenage sensation, saying "I will seek my revenge" for the two losses he has suffered at the hands of Alcaraz in Miami and Marbella this season, both in straight sets.

"I think if I want to beat Carlos, I'll need to play very precise with all the shots that I hit," he said. "Especially trying to keep him a little bit further back in the court, to play with good depth and length on all my shots.

"If he steps in, he can do anything with the ball. He can rip a winner. He also has great touch with the dropshot. I think he has one of the best dropshots on tour. He can do both shots back and forth, it will sort of get you off guard sometimes with the dropshot.

"If you play with good depth and good length, it's tougher to hit dropshots. That will be something that I will try to focus on.

"We're playing for the tournament and also to be world number one – of course, there will be nerves and we will both feel it. 

"I hope it will be a good match. He has beaten me a couple times and I will seek my revenge."

One advantage Ruud will have over Alcaraz is the fact that this is not his first rodeo, having made the French Open final this year where he lost to Rafael Nadal, but he feels that experience can only help him.

"I mean, Roland Garros, the final, [Nadal] obviously gave me a good beating," he said. 

"After the final I said, If I ever reach one again, I hope it is not Rafa on the other side of the court in Roland Garros because it's sort of an impossible task I think for any player. I'm happy that it's not Rafa on clay.

"I hope it can have prepared me a little bit. At least I know a little bit of what I'm facing when I'm stepping on the court, seeing the trophy on the back of the court, seeing tons of celebrities. 

"Even in Roland Garros, there was royal families there watching. That was a little bit of a new experience for me – I hope I can be more ready for that on Sunday."

Carlos Alcaraz is having a remarkable breakthrough season, and he has a chance to put an exclamation point on it after defeating Frances Tiafoe 6-7 (6-8) 6-3 6-1 6-7 (5-7) 6-3 in Friday's US Open semi-final.

It will be 19-year-old Alcaraz's first appearance in a grand slam final, and with a win against Casper Ruud he will also become the youngest world number one in men's tennis history, beating out Lleyton Hewitt (20 years and nine months old) by over a year.

In a tight first set where both players failed to capitalise on their break point opportunities, Tiafoe saved an Alcaraz set point to force the tiebreaker, where he would finally secure the opening frame with the fourth set point of his own.

With such fine margins deciding the outcomes, some sloppy serving would flip the script in the second set. After Tiafoe had no double faults in the first and Alcaraz had three, it was Alcaraz cleaning things up to post zero for the rest of the match.

Meanwhile, Tiafoe had a pair of costly double faults in the second, which ultimately led to the only break in the set, as Alcaraz converted one of his four opportunities, while saving the three break points he faced.

Tiafoe's vaunted serve continued to meltdown in the third frame, dropping his first-serve accuracy from 67 per cent to 30 per cent, which led to him winning just 35 per cent (seven-of-20) of his service points as Alcaraz lifted.

Alcaraz needed only 34 minutes to wrap up the third set, thanks in large part to Tiafoe committing 12 unforced errors with only six winners, as the Spaniard finished the set with just one ace and four winners.

As the double faults and unforced errors faded away, Tiafoe rediscovered the kind of form and fight that saw him stylishly handle the challenge of Rafael Nadal earlier this week. Tiafoe and Alcaraz traded breaks in four consecutive games in the fourth set, with the American having to save a match point to force another tiebreaker where he would prevail.

But Alcaraz would not be denied, grabbing a crucial break in the opening game of the fifth set, and when Tiafoe snatched it back, his joy was short-lived as Alcaraz re-broke in the very next game to-love, and once more to finish the match.

Data Slam: Alcaraz way ahead of schedule

If he defeats Ruud in the final, Alcaraz will become the second-youngest men's US Open champion ever at 19 years and four months old, trailing only Pete Sampras (19 years, 28 days). 

Both the third and fourth-youngest champions – Oliver Campbell (19 years, six months) and Richard Sears (19 years, 10 months) – won their titles in the late-1800s. 

ACES/DOUBLE FAULTS

Alcaraz - 6/3

Tiafoe - 15/6

WINNERS/UNFORCED ERRORS

Alcaraz - 59/37

Tiafoe - 51/52

BREAK POINTS WON

Alcaraz - 9/20

Tiafoe - 3/7

Carlos Alcaraz believes New York provides a perfect stage for the first grand slam semi-final of his career after the Spanish teenager edged a late-night thriller with Jannik Sinner.

In the last of the men's singles quarter-finals at Flushing Meadows, Alcaraz prevailed in the latest finish on record at the tournament, sealing a 6-3 6-7 (7-9) 6-7 (0-7) 7-5 6-3 victory at 02:50 local time on Thursday.

Sinner was left crestfallen, saying the defeat was in his "top list" and would hurt "for quite a while". He had served for the match in the fourth set but could not see it out, the 21-year-old seeing Alcaraz exact revenge for defeat in the fourth round at Wimbledon.

At the age of 19, Alcaraz is leading the men's tour for wins this season, one short of reaching 50 for the year, and the Arthur Ashe Stadium crowds have taken him to their hearts.

He is the youngest men's grand slam singles semi-finalist since Rafael Nadal marched to the 2005 French Open title, and the youngest man to reach the last four at the US Open since Pete Sampras in 1990, also on a run to the trophy.

The clash with Sinner was an epic that spanned five hours and 15 minutes, yet Alcaraz said afterwards: "During the whole match, I feel great physically.

"I feel great to be in my first semi-final in a grand slam. I feel better reaching the semi-final here in the US Open. This tournament is amazing. The crowd is amazing, I would say the best in the world.

"The energy I receive in this court at 3am, it was unbelievable. Probably in other tournaments, other places, everybody would have gone to their house to rest. But they keep in the court, supporting me. It was unbelievable.

"I feel great to have a semi-final here in the US Open."

Frances Tiafoe awaits him, after the American took down Andrey Rublev in straight sets on Wednesday, following up his fourth-round win over Rafael Nadal with another accomplished display. The crowd will likely have split allegiances for that semi-final on Friday.

"It's going to be really, really tough," said Alcaraz. "Everybody knows the level of Frances. He has beaten Rafa Nadal, Rublev in three sets. He's playing unbelievable right now, high in confidence.

"He loves the crowd. He loves this court. I'm going to have to play my best. But right now I'm thinking about this match. I'm enjoying this moment. I have a day of rest to think about the semi-final."

Alcaraz also said the possibility of becoming world number one did not cross his mind during the Sinner battle. He would hit the top spot by winning the title, and would also be assured of number one by reaching the final if Casper Ruud loses to Karen Khachanov in the other semi-final.

Sinner can only dream of reaching such heights for now, although his time may come.

He has a 9-20 losing record against top-10 opponents after this setback, but wins over Alcaraz at Wimbledon and later at a smaller event in Umag, Croatia, suggest his game is developing nicely.

The Italian had a strong tournament in New York but was left with regrets after failing to see this one through.

"I've had some tough losses, for sure. This is in the top list," Sinner said. "I think this one will hurt for quite a while.

"But tomorrow I wake up, or today I wake up, trying to somehow take only the positives, trying to take away the other part.

"But it's tough, for sure. In my next tournament I will play Davis Cup. Before, I want to practise again in the best possible way, trying to improve. Maybe next time I can win this, no?"

Carlos Alcaraz survived a Jannik Sinner match point before going on to clinch his maiden grand slam semi-final berth with an epic five-set victory in more than five hours at the US Open.

The Spanish third seed triumphed 6-3 6-7 (7-9) 6-7 (0-7) 7-5 6-3 in the latest-ever finish at the US Open, officially ending at 2:50am Thursday local time.

The match was within nine minutes of being the longest ever in US Open history, the record held by Michael Chang and Stefan Edberg from 1992 of five hours and 26 minutes.

The 19-year-old fought back from a Sinner match point in the fourth set, rallying to force a fifth, where he broke the Italian 11th seed in the eighth game before serving it out for victory.

Alcaraz blew opportunities too, including five set points in the second set, while he failed to serve out the third set before Sinner won the tie-break 7-0 to take all the momentum into the fourth.

But the emerging Alcaraz showcased his doggedness even after falling a break behind in the fourth, to set up a semi-final date against 22nd seed Frances Tiafoe, who has beaten Andrey Rublev and Rafael Nadal in his past two matches.

The win also means Alcaraz is a step closer to claiming the world number one ranking for the first time, which will be achieved if he wins the title, or even if he makes the final and fifth seed Casper Ruud does not.

Data slam: Alcaraz cannot help Nadal comparisons

Alcaraz, 19, is not fond of comparisons to compatriot Rafael Nadal, but his victory means he becomes the youngest grand slam semi-finalist since the 22-time major winner in 2005. 

Little separated Alcaraz and Sinner who will both have won huge admiration, but the Italian's 63 unforced errors compared to the Spaniard's 38 was an outlier.

ACES/DOUBLE FAULTS

Alcaraz – 5/5
Sinner – 8/11

WINNERS/UNFORCED ERRORS

Alcaraz – 58/38
Sinner – 61/63

BREAK POINTS WON

Alcaraz – 11/26
Sinner – 7/16

The career of Carlos Alcaraz could be one that takes up a great deal of space in the record books, and he is getting started early.

Not yet old enough to buy a stiff drink in a New York bar, the 19-year-old was the toast of Flushing Meadows after a late-night win over Marin Cilic that ran into the early hours of Tuesday.

That five-set win against the 2014 champion, combined with the shock exit of Rafael Nadal at Frances Tiafoe's hands, has raised expectations that Alcaraz could scoop a first grand slam title on Sunday.

Should he land that breakthrough major, there will be another feather in his cap, making Alcaraz the youngest world number one since the ATP rankings were established in 1973, and the first teenager to hold down top spot. He has climbed from 32nd at the start of the year to his current position of fourth on the list.

Nadal is poised to go to number one, which he last held in February 2020, unless Alcaraz or 23-year-old Norwegian Casper Ruud reach the title match. They are the only two players remaining in the draw who can clamber to the top ranking, which Daniil Medvedev will relinquish after his fourth-round exit to Nick Kyrgios.

If both reach the final, the champion will go to number one.

In the city that never sleeps, Alcaraz completed a 6-4 3-6 6-4 4-6 6-3 win over Croatian Cilic at 02:23 local time, three minutes short of matching the latest finish in US Open history, shared jointly by three matches: Mats Wilander vs Mikael Pernfors (1993), John Isner v Philipp Kohlschreiber (2012), Kei Nishikori v Milos Raonic (2014).

The victory on Arthur Ashe Stadium made Alcaraz the youngest man to reach back-to-back US Open quarter-finals since Australians Lew Hoad and Ken Rosewall both achieved the feat before turning 19 in 1953. It was called the US Championships in that era.

Alcaraz has won a tour-leading 48 matches in 2022 and has become the youngest man to reach three grand slam quarter-finals since Michael Chang over 30 years ago.

However, he next faces a player making his own history.

Alcaraz's quarter-final opponent is a recent nemesis: Jannik Sinner, the 21-year-old Italian who beat him in round four at Wimbledon and again in the final of the clay-court event in Umag, Croatia, at the end of July.

"I played a couple of times against him," Alcaraz said. "He's a great player, really tough one. I lost twice in two months [to him] so I will have to be ready for this battle against Jannik."

There is a victory that Alcaraz could point to, having defeated Sinner on an indoor hard court at the Paris Masters last November, but they have never played on an outdoor hard court, which is where they will do battle on Wednesday.

Sinner has now reached the quarter-final stage of all four majors, becoming the youngest man to pull off that feat since a 20-year-old Novak Djokovic completed the set in 2008.

The last-eight duel with Alcaraz could be a sizzling clash, albeit Alcaraz and Sinner had some recharging to do on Tuesday after both were pushed to five sets in round four, in Sinner's case by Ilya Ivashka of Belarus. Alcaraz now has a 6-1 win-loss record in five-set matches.

Nobody remaining in the men's quarter-finals has a slam title to their name, and Alcaraz will hope he continues to have the backing of the crowd in Queens.

He said after fending off Cilic: "Of course, the support today in Arthur Ashe was crazy. After losing the fourth set, it was tough for me to come back in the fifth set, to stay strong mentally. But the energy I received today made me win."

Rafael Nadal's loss to Frances Tiafoe opened up a host of possibilities including a first-time world number one and maiden grand slam winner as the top three's domination of men's singles continues to weaken.

World number three Nadal bowed out in the fourth round to 22nd seed Tiafoe 6-4 4-6 6-4 6-3 on Monday, while third seed Alcaraz triumphed over Marin Cilic 6-4 3-6 6-4 4-6 6-3 in a match that went to almost 2:30am local time.

Cilic was the last remaining male player with a grand slam title to his name, meaning this year's US Open will bring a new major champion.

There may also be a first-time world number one too, with Alcaraz guaranteed to claim the top rank if he wins the US Open title.

Fifth seed Casper Ruud will rise to world number one if he lifts the US Open crown at Flushing Meadows on September 11 too.

If both fall short of the final, Nadal will reclaim the top ranking from 2021 US Open champion Daniil Medvedev, who lost in the fourth round to Nick Kyrgios.

Alcaraz could also scale the rankings summit should he reach the final, assuming Ruud misses out.

Serena Williams' former coach Rick Macci does not foresee a dream US Open triumph for the retiring legend, but believes the Flushing Meadows crowd could help her enjoy a strong run.

Williams, who announced she was "evolving away" from tennis earlier this month, will begin her final US Open campaign against Danka Kovinic on Monday.

While the 40-year-old's tally of 23 grand slam titles is the most of any player in the Open Era (since 1968), she remains one victory short of Margaret Court's all-time record of 24. 

But Macci, who coached both Williams and older sister Venus at the beginning of their trophy-laden careers, struggles to see her adding one final title before signing off.

"They asked me can Serena Williams win the US Open and I said she already has, six times," Macci told Stats Perform. 

"Can she? It's highly unlikely simply because people aren't afraid of her, the movement and confidence aren't like it was because she hasn't played, she hasn't played that much in the last year and you need to play to get your footwork and stamina. 

"The fighting spirit, the Compton street fight and the heart is there. If she gets a good draw, she could beat some people. I like how she played against [Emma] Raducanu [a 6-4 6-0 loss in Cincinnati earlier in August], I like that she's more aggressive, but this takes time. 

"If she can win a few matches who knows what could happen? That crowd in New York is going to take her down memory lane and make her even more competitive, who knows what's going to happen to the person on the other side of the net?

 

"That's why I was so impressed with Raducanu, the way she handled that moment, she played the best match she had in a year. 

"It cuts both ways but it's highly unlikely she can win the Open. 

"She's not even looking at it like that, she's letting everyone savour the moment and going out on her terms and it's going to be must-see tv."

Asked who he thought would emerge victorious at Flushing Meadows, Macci tipped another American to win on home soil, adding: "I'd love to see Coco Gauff because I know the family and I think she has wonderful potential.

"Iga [Swiatek] is vulnerable now because when you win 35 in a row, you feel like you just show up you're going to win. 

"Now that she's lost a few there's a little doubt there. It's wide open, I'm going to go out on a limb and I'm taking Coco Gauff."

As for the men's draw, which appears balanced after Novak Djokovic's non-vaccinated status prevented him from travelling to New York, Macci thinks third seed Carlos Alcaraz could be set for a maiden grand slam win.

"I've already gone out there and talked about this, Carlos Alcaraz is a generational player, he's going to transcend the game," Macci added.

"I've already had people blow back on me like, 'why isn't he winning?' Trust me, he just turned 19 and is [number] four or five in the world, I think he'll win multiple grand slams and he's the next real deal and he's my favourite to win the US Open on the men's side."

Djokovic is not alone in missing the US Open, with Roger Federer also absent as he continues his recovery from knee surgery, while Rafael Nadal is making his first appearance at the slam since triumphing in 2019.

Four different men have tasted success at Flushing Meadows in the last four years, while each of the last three editions have featured different women's singles champions, and Macci believes the issues endured by several ageing greats have made tennis more competitive.

 

"I think a lot of people are heading toward exit stage left and they're not quite at the top, [such as] Federer, or maybe there's the vaccination and maybe Nadal you're not quite where you were and [Andy] Murray," he added.

"Then you've got Serena, you've got these people who are household names that are out of the equation, more people are coming in and it changes everything when you don't have those roadblocks at the round of 16. 

"You're looking at the semis when before, Federer, Nadal, Djokovic and Murray just dominated. There was a time when those four were always in the semis. The women's you could almost predict, now you can't.

"It has nothing to do with the US Open because the young lady that won Wimbledon [Elena Rybakina], you never heard of her. It's just wide open and it's going to take a while to stabilise everything." 

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