Carlos Alcaraz produced some supreme tennis as he overcame world number five Stefanos Tsitsipas in the quarter-finals of the Barcelona Open.

Having already played earlier on Friday, defeating compatriot Jaume Munar 6-3 6-3, 18-year-old Spaniard Alcaraz went the distance against Monte Carlo champion Tsitsipas.

Showing his proficiency on clay, Alcaraz triumphed 6-4 5-7 6-2 to set up a semi-final against Alex de Minaur, who prevailed 6-3 5-7 6-1 over Cameron Norrie.

Alcaraz, the fifth seed, was in excellent form against the top seed and last year's runner-up, and cruised ahead in a dominant first set, striking 14 winners to Tsitsipas' five.

Indeed, Tsitsipas – who had beaten Grigor Dimitrov in straight sets earlier in the day – could not hide his frustration when he smashed the ball hard Alcaraz's way to give up the set, much to the anger of a partisan crowd.

Alcaraz seemed en route to having things wrapped up quickly as he followed up a supreme backhand winner with a sensational drop shot, yet from 4-1 down, Tsitsipas reeled off four straight games to nudge himself ahead, breaking to take the set.

That comeback took just too much out of Tsitsipas, though, with Alcaraz roaring into a 4-0 lead in the decider and, after fending off two breakpoints, sealed his biggest win so far at the first time of asking to reach a fourth semi-final of 2022.

Alcaraz has won all three of his meetings with the Greek and will break into the top 10 of the ATP rankings next week, becoming the youngest player to do so since Spanish great Rafael Nadal in 2005, following his first title in Barcelona.

Indeed, he will be the ninth youngest player overall to make the top 10 and the 20th teenager to do so, though the first since Andy Murray in 2007.

"Probably my biggest win on clay court. It was unbelievable," said Alcaraz. 

"Unbelievable game that I played, unbelievable atmosphere that I lived today on court. It was unbelievable everything. The atmosphere here, the crowd, the level that I played, the level of the match. It was incredible.

"I'm playing an incredible level. And I think that I'm ready to get the title."

Vying for a place in the final in the other semi will be Diego Schwartzman and Pablo Carreno Busta, who both produced remarkable turnarounds in their quarter-final matches.

Schwartzman came back to beat Felix Auger-Aliassime 3-6 6-2 6-3, following on from an earlier win over Lorenzo Musetti. 

Carreno Busta, meanwhile, toppled Casper Ruud 4-6 7-6 (10-8) 6-3, though only after saving three match points in the second set in a victory that took three hours.

At the Serbia Open, second seed Andrey Rublev defeated qualifier Taro Daniel 6-3 6-3 to progress to the semi-finals.

In windy conditions in Belgrade, Rublev had little trouble in securing a 74-minute win, teeing up a clash with Fabio Fognini and moving to 21-5 for the season.

Rublev has met the Italian on nine occasions previously, losing five times and winning on four occasions.

"It's going to be tough. Fabi, he's super talented, he can play amazing and it's going to be a tough match with a lot of long rallies, so I just need to do my best and we will see what happens," said Rublev.

Fognini made light work of defeating Oscar Otte 7-5 6-4.

Alexander Zverev and Stefanos Tsitsipas progressed to the quarter-finals of the Monte Carlo Masters with straight sets wins on Thursday, remaining on course for a final meeting.

Last year's runner-up Andrey Rublev, however, missed out on a last-eight spot after falling to a three-set defeat against Jannik Sinner.

World number three Zverev overcame Spain's Pablo Carreno Busta 6-2 7-5 to progress in Monaco, where he is seeking to win the sixth ATP 1000 title of his career.

"For the second clay-court match of the season, I can't complain too much," the 24-year-old second seed said on court after sealing the victory.

"Yes, I lost focus a little bit in the second set, but at the end of the day, he's somebody that can really play. I'm happy with a two-set win."

Tsitsipas (3) remains in contention for a second consecutive title in the principality after defeating Laslo Dere 7-5 7-6 (7-1) and will face off against 12th seed Diego Schwartzman for a semi-final spot after the Argentine defeated Lorenzo Musetti in a hard-fought three-set encounter.

There will be no repeat of 2021's final between Tsitsipas and Rublev, however, after the Russian fell to a thrilling 5-7 6-1 6-3 loss to ninth seed Sinner in the day's final contest.

The other seed to fall victim to a shock in the last 16 was world number seven Casper Ruud, losing 6-3 7-5 to Grigor Dimitrov, who will face Poland's Hubert Hurkacz in the last eight. 

Finally, Novak Djokovic's conqueror Alejandro Davidovich Fokina cruised past David Goffin 6-4 6-1 to set up a quarter-final tie with the United States' Taylor Fritz, who bested compatriot Sebastian Korda – with whom he played doubles with in Monte Carlo – in straight sets.

Carlos Alcaraz said he never expected to have such a meteoric rise so early in his career after winning his first ATP Masters 1000 title at the Miami Open.

Alcaraz defeated Casper Ruud 7-5 6-4 in the final, making the 18-year-old the youngest ever winner in Miami, beating Novak Djokovic's previous record when he won it aged 19.

With the win, Alcaraz jumped all the way up number 11 in the world.

Speaking to Tennis Channel after his triumph, Alcaraz said he has already exceeded his goals for this season.

"Of course, I did not expect this," he said.

"My goal was to end this year in the top-15, and now I'm at 11, close to the top-10. I'm going up so fast, and I think it's [because of] all the hard work I'm putting in every day.

"Of course my experience from last year has helped me a lot – playing Rafa (Nadal) in Madrid, against (Alexander) Zverev in Acapulco – you have to live that experience to learn.

"When I started playing tennis when I was five or six, I wanted to be number one in the world, and this year I've realised I can beat the top players in the world."

Alcaraz was buoyed by the presence of his coach, former world number one Juan Carlos Ferrero, who surprised him the day before the final after being absent throughout the tournament, mourning the death of his father back in Spain.

"Juan Carlos [Ferrero] played everything that I'm playing, he has experienced all that I am experiencing right now, so he has helped me a lot," he said.

"It's amazing to have Juan Carlos here with me – I talk with him every day, but it was a surprise when he arrived, I didn't know anything.

"It was a big surprise and I was really happy [to see him] – I'm really happy to win my first Masters 1000 title with him here."

With the young Spaniard now drawing comparisons to Spanish superstar Rafael Nadal, Alcaraz said it can only be a good thing.

"If people are comparing you with Rafa, that means you are doing great things, and you are doing it the right way," he said.

"I'm trying to not think about that – Rafa is Rafa, and I am Carlos Alcaraz – Rafa is one of the best players in the history of tennis, and I am a young man living his dream.

"I looked up to Rafa when I was young, he inspired me a lot, watching his big matches, so to be around him in the tour, and to be able to play against him, is pretty special."

Carlos Alcaraz became the youngest Miami Open men's champion as the teenage Spaniard continued his rapid rise by fending off world number eight Casper Ruud.

A 7-5 6-4 victory in Sunday's final gave 18-year-old Alcaraz the third ATP singles title of his career, after winning the 2021 Croatia Open and the Rio Open in February this year.

Alcaraz's maiden Masters 1000 title saw him secure Miami glory even earlier than Novak Djokovic, who was 19 at the time of his 2007 triumph.

"I have no words to describe how I feel – it feels so special to win my first Masters 1000 here in Miami," Alcaraz said.

While he got the job done in the end, there was far from a smooth start for Alcaraz, who lost the first three games of the opening set as Ruud grabbed the early break.

Down 4-1 in that first set, Alcaraz then rattled off three consecutive games to tie it back up, and after breaking again to go up 6-5, he held his nerve to save a break point and move ahead in the contest.

Ruud had issues dealing with Alcaraz's first serve all match long, but it was most dominant in the first set, the Spanish player winning 76 per cent when landing his first serves, while Ruud was down at 54 per cent.

Alcaraz flipped the script in the second set and jumped out to a 3-0 lead with a double break. Ruud was able to get one break back, but he never threatened the rest of the way as Alcaraz closed it out in style, conceding only two points from his last three service games.

Speaking on the court after his win, Alcaraz was overjoyed as he acknowledged a large contingent of support in the crowd, including coach Juan Carlos Ferrero.

"I have my whole team with me, and my family… this is the second tournament that they've all been here with me," he said.

"Thank you to my team, I'm glad to have my father here with me and to be able to share this moment with my family."

Touching on some of his strategy, Alcaraz said the plan was to try and avoid Ruud's dominant forehand as much as possible.

"I knew Casper is playing unbelievable, and has a big forehand, so I tried to play to his backhand first, and attack all the time," he said.

"I'm always trying to attack, and not let him dominate the match with his forehands down the line – that was a pretty big key for me."

With the win, Alcaraz becomes the world number 11, and does not turn 19 until next month.

Casper Ruud set up a semi-final with Francisco Cerundolo at the Miami Masters after he defeated Alexander Zverev 6-3 1-6 6-3 on Wednesday.

Ruud's heavy topspin game gave Zverev problems initially, contributing to a 94 per cent success rate from points on his first serve, while Zverev struggled to find rhythm on serve at 58 per cent.

Saving two break points in the opening game of the second seemed to spark Zverev into life, but Ruud was able to regroup and continue dominating from the baseline in the third to comfortably see his way through.

"It was great to get that break early on [in the third set] and I was able to keep it all the way out," Ruud said post-match. "I was serving well. I can thank my serving for the win today."

The Norweigian world number eight lost his first three ATP 1000 quarter-finals on hard court, but played with confidence on the back of a 75 per cent first-serve rate.

He will face Cerundolo, who also advanced into the semi-finals on Wednesday, after Jannik Sinner was forced to retire due to foot blisters. The Argentine was leading 4-1 in the first set after 23 minutes when Sinner called the match.

The world number 103 held a 0-2 record on hard courts prior to this week, but has now made his first ATP 1000 semi-final in as many attempts after progressing past Tallon Griekspoor, Reilly Opelka, Gael Monfils and Frances Tiafoe.

Cerundolo has enjoyed a strong start to 2022, with respective quarter-final and semi-final appearances on clay in Buenos Aires and Rio de Janeiro.

The winner of the upcoming semi-final will make their first ATP 1000 final appearance, while Ruud was able to beat Zverev at third time of asking, losing the opening two games head-to-head.

Emerging Spanish star Carlos Alcaraz continued his rise with a 7-5 6-3 upset of third seed Stefanos Tsitsipas to reach the Miami Masters quarter-finals on Tuesday.

The 18-year-old, who reached last year's US Open final eight after beating Tsitsipas in the third round, proved too good again for the Greek in one hour and 50 minutes.

Alcaraz reached last week's Indian Wells semi-finals and is now 15-2 on the season, with the win setting up a clash with Serbian Miomir Kecmanovic who upset last week's Indian Wells champion Taylor Fritz 3-6 6-1 6-4.

Tsitsipas broke the Spaniard in the sixth game and led 5-2 before Alcaraz reeled off seven straight games to sensationally take the first set.

Alcaraz surged ahead in the second set, with his defence and speed leaving Tsitsipas short on answers.

The Spaniard, who saved seven of eight break points throughout the match, converted his fourth match point for victory.

"It was really, really tough. He was playing unbelievable," Alcaraz said after the match. "All I can say is I fought until the last ball in the first set [to] come back."

Ninth seed Jannik Sinner won 7-6 (7-3) 6-3 over enigmatic Australian Nick Kyrgios, who had a furious outburst directed at umpire Carlos Bernardes.

The Australian was heard to label Bernardes "an absolute clown" and continued to berate the umpire late in the first set, leading to a code violation and two penalties.

Kyrgios completely lost his cool, demanding to speak to a tournament official before smashing his racquet early in the second set, leading to a game penalty as well.

Sinner will next take on Argentine Francisco Cerundolo after he defeated 28th seed Francis Tiafoe lost 6-7 (2-7) 7-6 (7-3) 6-2.

Top seed Daniil Medvedev made light work of Jenson Brooksby 7-5 6-1 to set up a quarter-final showdown with reigning champion Hubert Hurkacz who won 7-6 (7-3) 6-2 over Lloyd Harris. Medvedev will return to the top of the ATP rankings if he wins their quarter-final.

Second seed Alexander Zverev got past Thanasi Kokkinakis 6-4 6-4 and will meet sixth seed Casper Ruud in the last eight, after the Norwegian won 6-3 6-4 over Briton Cameron Norrie.

Fifth seed Andrey Rublev has been eliminated from the Miami Open in the second round in straight sets by wild card world number 102 Nick Kyrgios on Friday.

The enigmatic Australian triumphed 6-3 6-0 in 52 minutes to clinch a third round clash with Italian Fabio Fognini, who won in three sets against Japanese Taro Daniel.

The victory marks Kyrgios' third win over a top 10 opponent in the past two tournaments, having topped both Casper Ruud and Jannik Sinner at Indian Wells earlier this month.

Rublev had won titles in Marseille and Dubai earlier this season but was not allowed to settle by Kyrgios who sent down 10-5 aces and had a first serve percentage of 80 per cent.

"I know that he's a player who relies on a bit of rhythm, so I just tried to keep the points short and sharp, just play aggressive," Kyrgios said after the match.

"I'm just happy with my performance, whether it's 7-6 in the third or something like this, I'm just happy to get through."

Second seed Alexander Zverev was made to work for victory against Croatian Borna Coric, winning 6-4 3-6 6-3 in two hours and one minute.

The win marks the 2018 Miami Open runner-up's first triumph at the event since that run to the final.

Sixth seed Ruud eased past Henri Laaksonen 6-1 6-2, while ninth seed Sinner defeated Emil Ruusuvuori 6-4 3-6 7-6 (10-8) in two hours and 40 minutes.

Several seeds were beaten included 13th seed Diego Schwartzman who went down 4-6 7-6 (7-3) 6-4 to Thanasi Kokkinakis. Seeds Lorenzo Sonego, Grigor Dimitrov, Reilly Opelka and John Isner also exited.

Gael Monfils defeated Oscar Otte 7-6 (11-9) 6-1, Pablo Carreno Busta won 6-3 6-2 over David Goffin and 10th seed Cameron Norrie won 7-6 (7-5) 6-4 over Jack Draper.

Casper Ruud collected his sixth ATP Tour title as he battled past Diego Schwartzman to win the Argentina Open for a second time on Sunday.

Ruud managed five ATP titles in 2021 and followed that up with another one in the new season as he recovered from a first-set scare to overcome local favourite Schwartzman 5-7 6-2 6-3 in Buenos Aires.

The Norwegian extended his record at the tournament to 9-0, having already lifted the trophy in 2020, after negotiating past his Argentinian opponent in two hours and 35 minutes.

Ruud, who was the top seed, had not dropped a set all week on his way to the showpiece final, but he faltered in the first set as he spurned a break point at 5-4 up, with Schwartzman holding to make it 5-5 before subsequently claiming the opener.

Schwartzman repeated the feat in his first service game of the following set, staving off four break points, but Ruud rallied at 2-2 to claim four straight games and send the match to a decider.

Schwartzman was the defending champion after ending a 13-year wait for an Argentinian winner in Buenos Aires, though it was Ruud who lifted the trophy as he overcame an early break to extend his winning streak in ATP 250 events on clay to 18.

The top two seeds Casper Ruud and Diego Schwartzman will face off in the Argentina Open final after the latter won two matches on Saturday to progress at his home event.

The Argentine world number 14 had to overcome countryman Francisco Cerundolo 6-3 2-6 5-7 earlier on Saturday after their quarter-final had been interrupted by rain on Friday evening.

The match was tied at 1-1 in the third set when rain intervened, with Schwartzman triumphing when play resumed to earn a semi-final date with third seed Lorenzo Sonego.

Schwartzman would later beat Sonego 7-5 3-6 6-2 in almost three hours on a busy day for the 2020 French Open semi-finalist.

World number eight Ruud progressed with a routine 6-3 6-3 victory over Argentine sixth seed Federico Delbonis.

At the Dallas Open semi-finals, Reilly Opelka and John Isner broke the record for the longest tiebreaker on the ATP Tour since 1990.

Second seed Opelka triumphed over fellow American Isner but it was not easy, winning 7-6 (9-7) 7-6 (24-22).

Opelka sent down 39-21 aces across the match, earning a spot in the final against fourth seed Jenson Brooksby who beat Marcos Giron 6-4 6-7 (4-7) 7-6 (7-5).

Casper Ruud will have to overcome another home hopeful if he is to reach the final of the Argentina Open in Buenos Aires.

Top seed Ruud defeated Federico Coria 6-3 6-4 in the last eight on Friday to set up a semi-final against another Argentinian in Federico Delbonis.

Delbonis defeated Fabio Fognini 6-4 6-4 to make his first semi since losing to Pablo Carreno Busta in Hamburg last July.

The 31-year-old has not played an ATP Tour final since winning in Marrakech in 2016.

There will be a home representative remaining in the other half of the draw, too, although his identity is still to be confirmed.

Diego Schwartzman and Francisco Cerundolo were tied in the third set when rain saw play suspended for the day.

The winner of that match will play Fognini's compatriot Lorenzo Sonego, a straight-sets victor against Fernando Verdasco.

At the Dallas Open, there is an all American cast for the semi-finals – but top seed Taylor Fritz is not among those in the last four.

He lost a third-set tie-break to countryman Marcos Giron, whose reward is a match against Jenson Brooksby. Brooksby beat Australia's Jordan Thompson 6-3 6-0.

John Isner breezed through in straight sets and will face Reilly Opelka.

Casper Ruud began his Argentina Open title tilt with an impressively routine defeat of Roberto Carballes Baena.

The Norwegian, who is the top seed, saw off his opponent 7-6 (7-2) 6-3 to set up a quarter-final clash with home hopeful Federico Coria, who defeated Dusan Lajovic 4-6 7-5 6-4.

Ruud was taking to the court for the first time since being in ATP Cup action in early January, with ankle injury ruling him out of the Australian Open.

But on the scene of his maiden ATP title win in 2020, Ruud – who has won five tournaments since – looked in good shape.

"I feel, obviously, very good in Buenos Aires. I was a bit nervous coming back because it's the first time I have to defend a title," he said.

"Everything is a bit different since two years ago. When I won here it was a surprise. I was young.

"[This] was a good start. First time playing on clay in six months, so everything is a bit new again.

"Of course, I prefer to play on clay, but it takes some time to get used to the court and playing points."

Third seed Lorenzo Sonego also advanced through to the last eight in straight sets, the Italian beating Sebastian Baez 6-3 6-3 to set up a meeting with Fernando Verdasco.

Unseeded Spaniard Verdasco, seeking an eighth career title, progressed thanks to a hard-fought 2-6 6-3 7-5 win over Thiago Monteiro.

At the Dallas Open, John Isner won his opening match on home soil with a 7-6 (7-1) 6-7 (7-9) 7-6 (7-5) victory over Kevin Anderson.

Isner will next take on either Vasek Pospisil or Jurij Rodionov, with the qualifiers scheduled to meet on Thursday.

Marcos Giron and Jordan Thompson are also in the quarter-finals after seeing off Liam Broady and Brandan Nakashima respectively.

Daniil Medvedev is happy to be considered the favourite for the Australian Open title but says Rafael Nadal remains the man to beat at Melbourne Park.

World number two Medvedev is now the top-seeded player in the competition after Novak Djokovic was deported from Australia on Sunday.

Competing in his first grand slam since winning the US Open in September, Medvedev made a solid start by seeing off Henri Laaksonen 6-1 6-4 7-6 (7-3) on Tuesday.

The Russian, who lost last year's Australian Open final to Djokovic in straight sets, will now take on either Liam Broady or Nick Kyrgios in round two.

He is aiming to become the first man in the Open Era to follow up his maiden Grand Slam title with another in his next major appearance.

Medvedev is not shying away from the spotlight, but the 25-year-old considers Nadal the real favourite for the trophy because of his incredible record.

"I like pressure but last year I started well here in Australia in the ATP Cup and I managed to be in the final here," he said.

"The tournaments in Australia are always really important for me. I like to play in Australia on hard courts. I want to do better here than I did last year but it's not going to be easy.

"But I always say whoever is the highest ranked is the favourite so this time I will go with Rafa because he has 20 Grand Slams."

The 20 major singles titles won by Nadal is equal to Djokovic and Roger Federer, who is also absent in Melbourne due to injury, as the most by a men's player.

Just one of those titles have come at the Australian Open, however, with the Spaniard – who beat Marcos Giron in his opening match on Monday – going all the way in 2009.

Nadal and Medvedev are in opposite sides of the draw and are on course to meet in the final, but many challengers await between now and then.

That path became a little clearer on Tuesday as world number eight Casper Ruud withdrew from the tournament due to an injured ankle.

Ruud had been due to face Alex Molcan in the first round, but his place will be taken by lucky loser Roman Safiullin.

Daniil Medvedev will defend his ATP Finals crown on Sunday following a commanding straight-sets victory over Casper Ruud in the semi-finals.

Reigning champion Medvedev cruised through to the final after wrapping up a 6-4 6-2 win in one hour and 20 minutes in Turin.

The world number two will face Novak Djokovic or Alexander Zverev as he aims to become the ninth different player to successfully defend this title.

Medvedev reached the semi-finals of the year-ending championship with a match to spare, winning three out of three in the Red Group, and did not offer up a single break point against Ruud, who he had beaten in both of their previous meetings.

The US Open champion took early command, breaking in game three and holding before serving to love to take the opening set.

The winner of five ATP Tour titles in 2021, world number eight Ruud was aiming to become the third debutant to lift this trophy in five years after Grigor Dimitrov (2017) and Stefanos Tsitsipas (2019).

However the Norwegian, who squeezed past Andrey Rublev on Friday, was broken twice in the second set as Medvedev surged into a 5-2 lead, before serving out to complete a ninth straight win at this event.

Should Djokovic beat Zverev, it will bring up a fourth meeting of 2021 between the world’s top two players. The Serbian beat Medvedev at the Paris Masters earlier this month and in the Australian Open final at the start of the season, but went down in straight sets at Flushing Meadows in September.

WINNERS/UNFORCED ERRORS

Medvedev – 20/16
Ruud – 16/26

ACES/DOUBLE FAULTS 

Medvedev – 3/2
Ruud – 1/3

BREAK POINTS WON 

Medvedev – 3/9
Ruud – 0/0

Casper Ruud revealed his approach was to "fight fire with fire" in his huge win over Andrey Rublev at the ATP Finals and is already relishing getting a shot at Daniil Medvedev.

The Norwegian has enjoyed a fine 2021, winning five ATP Tour titles, and has now moved into the semi-finals in Turin on his debut appearance at the prestigious year-ending event.

Ruud appeared to be on the way out when he was trailing by a set and a break against Rublev, having lost all four of the previous meetings between the pair.

But he fought back to win 2-6 7-5 7-6 (7-5) on Friday and extend his impressive season by at least one more match.

"The court is playing very fast and Andrey plays very fast," said Ruud, who triumphed despite only winning 98 of the 208 points played in an intense battle where his Russian opponent also impressed.

"He rips the ball harder than anyone on the tour and serves very well on his first serve. 

"We all want to play under control and with initiative, but it is not easy against Rublev because he makes you run and play defensively all the time. 

"I knew I had to fight fire with fire. 

"On the big points, I think I played quite smartly."

Aside from Ruud, the other three semi-finalists (Medvedev, Novak Djokovic and Alexander Zverev) are all former ATP Finals winners, making this event the first since 1994 where that has happened.

US Open champion Medvedev represents a daunting challenge in the last four for Ruud, who bounced back from an opening Green Group loss to Djokovic by beating alternate Cameron Norrie before his high-quality winner-takes-all clash with Rublev.

"I am looking forward to Saturday already – it is going to be another tough battle," said the 22-year-old after firing down 14 aces in his victory.

"Medvedev is a different kind of player to Rublev. He is one of the best in the world, and he has proven himself as one of the best over the past two or three years. 

"I have played against him a couple of times and lost both, but I know a little bit about what I am going to face, and it is going to be a fun challenge.

"I am just enjoying the moment."

Two of the last three players to reach the last four on debut at the ATP Finals have gone on to win the tournament, Grigor Dimitrov (2017) and Stefanos Tsitsipas (2019).

Ruud will dream of replicating that duo, but Rublev must come to terms with a second consecutive group-stage exit in the ATP Finals.

"It is tough," Rublev said. "Hopefully I can get through it to get a good lesson, which will give me a huge improvement.

"In the moment, I got tight, which is normal. Casper played well. He has a great forehand – one of the best on tour."