2018–2020: Pro debutIn February 2018, aged 14, Alcaraz played his first professional tennis event as a qualifier at the Spain F5 ITF Futures in Murcia. He knocked out second seed and world No. 292 Federico Gaio in the first round, and proceeded to reach the quarterfinals. He collected his first two ATP points from this tournament, and entered the rankings as world No. 1414 on 26 February 2018.[35]In April 2019, at the age of 15, Alcaraz made his Challenger debut at the JC Ferrero Challenger in Villena, after receiving an invitation. He won his first round match against a 17-year old Jannik Sinner, who was on a sixteen-match winning streak.[36] With this victory, Alcaraz became the first player born in 2003 to win a Challenger match.[37] He was defeated in three sets by eighth seed Lukáš Rosol in the second round. One week later at the Murcia Open, he defeated fifth seed and world No. 140 Pedro Martínez in the second round, becoming the first Spanish player since Rafael Nadal to beat a top-200 opponent at age 15.[38] Alcaraz went on to win four Challenger titles, three of them before the age of 18. He was the first player born in 2003 to reach a Challenger title match.[39]In February 2020, at the age of 16, Alcaraz made his ATP main-draw debut at the Rio Open after receiving a wild card for the singles main draw.[40] He defeated world No. 41 Albert Ramos Viñolas in a marathon three-setter that lasted three hours and 37 minutes.[41] Alcaraz became the first player born in 2003 to win an ATP Tour match, and also achieved this feat before anyone born in 2002.[42][43] He was defeated in the second round by Federico Coria.In September 2020, aged 17, Alcaraz played his first qualifying round at a major tournament at the postponed French Open. He held two match points to defeat Aleksandar Vukic in straight sets, but ended up losing in three.[44]2021: First ATP title, Next Gen championAlcaraz made his debut in the main draw of a major tournament as a successful qualifier at the 2021 Australian Open. He was the youngest man to qualify for the tournament since Novak Djokovic in 2005.[45] As the main draw of the Australian Open was postponed due to the COVID-19 pandemic, Alcaraz played the Great Ocean Road Open in early February, where he was defeated by Thiago Monteiro.[46] In his first main draw match at the Australian Open, Alcaraz defeated fellow qualifier Botic van de Zandschulp in straight sets. He was the only teenager in the draw to progress past the first round, and the first person born in 2003 to win a match at a major.[45] In the second round, Alcaraz was defeated by Mikail Ymer.Alcaraz at the 2021 French OpenAlcaraz entered the qualifying rounds of the Open Occitanie, where he was defeated by Tallon Griekspoor.[47] At his first clay court tournament of the season, the Gran Canaria Challenger II, Alcaraz was knocked out by Marco Trungelliti in the round of 16.[48] Alcaraz made his debut at the Mexican Open as a wildcard, but was knocked out by eventual champion Alexander Zverev in the first round.[49] Alcaraz was given another wildcard into the Miami Open, where he was knocked out in the first round by Emil Ruusuvuori. This was his first appearance at a Masters 1000 tournament.[50]Alcaraz returned to clay at the Andalucía Open with another wildcard. He defeated Nikola Milojevic, Feliciano Lopez, and third seed Casper Ruud to make the deepest ATP tournament run of his career. He lost to compatriot Jaume Munar in the semifinal.[51] Alcaraz received another wildcard into the Barcelona Open, and was knocked out in the first round by Frances Tiafoe.[52] Alcaraz then entered the Estoril Open as a qualifier, and lost to sixth seed Marin Cilic in the first round.[53]Alcaraz was handed another wildcard at the Madrid Open, the second Masters-level tournament of his career. He defeated Adrian Mannarino in the first round in straight sets, bagelling him in the second set. This made Alcaraz the youngest match winner in the tournament's history, breaking a record set by Rafael Nadal in 2004. He then met Nadal for their first career meeting, and lost to him in two sets.[54] This was the day of Alcaraz's eighteenth birthday.[55] Alcaraz then entered the Challenger Oeiras III as an unseeded player, and defeated Facundo Bagnis in the final to claim the fourth Challenger title of his career.[56][57] Following this tournament, he rose from 114th to 94th in the rankings to enter the top 100 on 24 May 2021. He became the youngest player inside the ATP top 100, as well as the youngest inside the top 500.[58][59]Alcaraz qualified for the French Open with ease and made it to the third round of the main draw, where he was defeated by Jan-Lennard Struff. He was the youngest man to reach the third round at Roland Garros in twenty nine years, and the youngest to do so at any major since Nadal in 2004.[60] Alcaraz then made his debut at Wimbledon, where he received a wildcard. In his first ATP match on grass, he defeated Yasutaka Uchiyama in the first five-set match of his career.[59] He was defeated in the second round in straight sets by world No. 2 Daniil Medvedev.[61]In July, Alcaraz won the Umag Open, defeating Richard Gasquet to claim the first ATP 250 and ATP title of his career.[62] He became the youngest ATP champion since Kei Nishikori in 2008, and the youngest ATP 250 winner since the category was established.[63] Alcaraz then entered the Austrian Open Kitzbühel, where he was seeded tenth, but lost to Alexander Erler in the first round.[64] Alcaraz qualified for a main draw debut at the Cincinnati Masters, where he lost to Lorenzo Sonego in the first round.[65] Alcaraz made another semifinal in Winston-Salem, where he lost again to Mikail Ymer.[66]At the US Open, Alcaraz defeated world No. 3 Stefanos Tsitsipas in a fifth-set tiebreak to reach the fourth round in the biggest win of his career at that time.[67] At 18 years and four months, Alcaraz became the youngest man to beat a top 3 ranked-player in singles at the US Open since the ATP rankings began in 1973. Alcaraz also became the youngest man in a major fourth round since 17-year-old Andrei Medvedev at the 1992 French Open, and the youngest man in the US Open fourth round since 17-year-old Michael Chang and 18-year-old Pete Sampras in 1989.[68][69] He then reached the quarterfinals by defeating qualifier Peter Gojowczyk. Alcaraz became the youngest US Open men's quarterfinalist in the Open Era, the youngest at the tournament since 18-year-old Thomaz Koch in 1963, and the youngest Grand Slam tournament men's singles quarterfinalist since 18-year-old Michael Chang at the 1990 French Open. He lost to Félix Auger-Aliassime via retirement in the second set in the quarterfinals after injuring his leg.[70]Alcaraz played Indian Wells, which had been postponed to October due to the COVID-19 pandemic. This was his first time being seeded (30th) at a Masters event. He lost in the first round to Andy Murray in three sets.[71] Alcaraz then entered the Vienna Open. In the second round, he met Murray for a rematch and defeated him in straight sets.[72] Alcaraz then defeated world No. 7 Matteo Berrettini in the quarterfinal to claim a second top 10 win, and became the youngest player in the top 35 on 1 November. He lost to Alexander Zverev in the semifinal.[73][74] At the Paris Masters, Alcaraz defeated Pierre Hughes-Herbert in three sets in the first round.[75] He then recorded a straight sets victory against eighth seed Jannik Sinner in their first ATP meeting;[76] this was his third top 10 win.[77] In the round of 16, Alcaraz was unable to cope with a raucous home crowd backing Frenchman Hugo Gaston and lost in straight sets.[78]Alcaraz qualified for the Next Gen ATP Finals as third seed behind Sinner and Auger-Aliassime, but became first seed after they both withdrew before the tournament started. He defeated Brandon Nakashima, Juan Manuel Cerúndolo, and Holger Rune in the round-robin stage to qualify for the semifinals.[79][80] He then defeated Sebastián Báez and Sebastian Korda to claim the title.[81][82] He dropped one set all tournament, to Cerúndolo.[83] He would qualify to play the tournament again in 2022 and 2023, but did not play it in either year as he would also qualify for the ATP Finals.2022: US Open champion, world No. 1Main article: 2022 Carlos Alcaraz tennis seasonSeeded for the first time in a major as world No. 31, Alcaraz reached the third round of the Australian Open, where he was defeated in a fifth set tiebreak by Matteo Berrettini.[84] As of the end of 2025, this remains the only five-set loss of his career.[85] Seeded seventh at the Rio Open, Alcaraz won his first ATP 500 title by defeating Diego Schwartzman in the final.[86] He became the youngest winner of an ATP 500 event since the category was created in 2009.[87] He entered the top 20 in the singles rankings on 21 February 2022.In Indian Wells, Alcaraz reached his first ATP 1000 quarterfinal and semifinal, defeating defending champion Cameron Norrie before losing to Rafael Nadal.[88] Seeded 14th at the Miami Open, Alcaraz defeated 6th seed Casper Ruud to win his first ATP 1000 title. He was the first Spaniard to win the title. At 18 years and 333 days old, he also became the youngest men's singles titlist in Miami Open history, and the youngest Masters 1000 champion since Rafael Nadal at the 2005 Monte Carlo Masters.[89] At Monte-Carlo, Alcaraz lost in the second round to Sebastian Korda.[90] At the Barcelona Open, Alcaraz defeated top seed Stefanos Tsitsipas in the quarterfinals to enter the world top 10 for the first time on 25 April 2022.[91][92] He became the youngest man to break into the top 10 since Nadal on 25 April 2005, exactly 17 years earlier.[93][94] Alcaraz defeated Pablo Carreño Busta to win the Barcelona title.[95]One day after his 19th birthday, Alcaraz defeated five-time Madrid champion, world No. 4 and third seed Rafael Nadal in the quarterfinals of the Madrid Open.[96] This was Alcaraz's first victory against Nadal, and their final Tour-level meeting. The following day, Alcaraz faced world No. 1 Novak Djokovic for their first meeting. After three hours and thirty-six minutes, Alcaraz prevailed in a tight third set tiebreak. He became the youngest player to win a match against a world No. 1 since Nadal in 2004, and the only player ever to defeat Nadal and Djokovic back-to-back on clay.[97] In the final, Alcaraz dismantled defending champion and world No. 3 Alexander Zverev in an hour and four minutes.[98] He became the youngest champion in the tournament's history at 19 years, 3 days.[99] On 9 May 2022, Alcaraz climbed to a career-high ranking of world No. 6.[100]Following his withdrawal from the Italian Open due to an ankle injury,[101] Alcaraz made his seeded debut at the French Open. Having won two of the tour's biggest titles on clay coming into the tournament, Alcaraz was widely projected to be one of the favorites for the title.[102] In his second round match against Albert Ramos Viñolas, he was taken to five sets and forced to save match point.[103][104] He won all his other matches in straight sets before losing to Alexander Zverev in the second major quarterfinal of his career.[105][106][107]Alcaraz at the 2022 Wimbledon ChampionshipsAt Wimbledon, Alcaraz beat Jan-Lennard Struff in a close five-setter before defeating Tallon Griekspoor and Oscar Otte in straight sets. He lost to Jannik Sinner in the fourth round.[108] Alcaraz then reached the final of the Hamburg Open, where he was defeated by Lorenzo Musetti. This was the first ATP final he had ever lost.[109] Nevertheless, this result took him to a new career-high ranking of world No. 5 on July 25; he became the youngest male player to enter the top 5 since Nadal in 2005.[110][111] Alcaraz reached and lost a second consecutive final at the Croatia Open, to Jannik Sinner. This resulted in a new career-high ranking of world No. 4 on 1 August.[112][113] Playing the Canadian Open for the first time, Alcaraz received a bye into the second round, where he was upset by Tommy Paul.[114] He reached the quarterfinals of the Cincinnati Open, where he lost to Cameron Norrie.[115]Prior to the US Open, Alcaraz, Rafael Nadal, Casper Ruud, Daniil Medvedev, and Stefanos Tsitsipas were all in contention to take over the world No. 1 ranking. Alcaraz made it through the first three rounds without dropping a set. In the fourth round, he defeated former champion Marin Čilić in five sets, and became the youngest man to reach back-to-back US Open quarterfinals in the Open Era.[116] In the quarterfinals, Alcaraz saved a match point in the fourth set before recovering to win in five sets against Jannik Sinner. The match lasted five hours and fifteen minutes, and recorded the latest finish in the history of the tournament at 2:50AM EST.[117] Alcaraz played a third consecutive five-setter to defeat Frances Tiafoe.[118] He then met fifth seed Casper Ruud for his first major final, a match which doubled as a shoot-out for the world No. 1 ranking. Alcaraz won the match in four sets to claim his first major title.Carlos Alcaraz, Swiss Indoors Basel 2022.Alcaraz became the youngest No. 1 in the history of the ATP Rankings at the age of 19 years, 130 days, breaking Lleyton Hewitt's record, and the second youngest all-time behind Lew Hoad.[119][120][121] He also became the youngest men's major champion since Nadal at the 2005 French Open, the youngest US Open champion since Pete Sampras in 1990, and the first man born in the 2000s to win a major singles title. At 23 hours and 39 minutes of play duration across his seven matches, Alcaraz spent the longest time on court in major history (a record later broken by Medvedev at the 2024 Australian Open, 24 hours 17 minutes).[122]Alcaraz lost his first singles match as world No. 1 to Félix Auger-Aliassime at the 2022 Davis Cup Finals.[123] Next, he lost to David Goffin in the first round of the Astana Open. Alcaraz reached the semifinals in Basel, where he was defeated again by eventual champion Auger-Aliassime.[124] Alcaraz reached the quarterfinals of the Paris Masters, but retired down a set to Holger Rune.[125] A day later, he announced he had suffered an abdominal tear requiring a six-week layoff, forcing him to end his season early. He withdrew from the ATP Finals and the Davis Cup Finals.[126] Alcaraz, at the age of 19 years and 214 days, ended the year as youngest and first teenage world No. 1 in the ATP era, and second youngest of all-time behind Hoad.[121][127]2023: Wimbledon championMain article: 2023 Carlos Alcaraz tennis seasonAlcaraz at the 2023 French OpenOn January 7, Alcaraz announced his withdrawal from the Australian Open due to an injury to his right hamstring sustained while training.[128] Following the tournament, he lost the world No. 1 ranking to the champion Novak Djokovic.[129] He had held it for a total of 20 weeks. Alcaraz began his season at the Argentina Open, where he was playing for the first time. He defeated second seed Cameron Norrie in the final in straight sets to claim his first title since his first major win at the US Open in 2022.[130] The next week, Alcaraz reached the final of the Rio Open, where he was defending champion, also against Norrie; however, he aggravated his leg injury during the match and lost in three sets.[131] Alcaraz withdrew from the Mexican Open, citing the same injury.[132]Alcaraz then returned to Indian Wells. He recorded his 100th career win by defeating 31st seed Tallon Griekspoor in the third round, making him the second fastest player to reach this milestone after John McEnroe.[133] He defeated eleventh seed Jannik Sinner in the semifinals, and second seed Daniil Medvedev in the final, to lift the trophy without dropping a single set.[134] This was Alcaraz's eighth career title and third ATP 1000 title. He broke Medvedev's 19-match winning streak, and became the first player to win Indian Wells without dropping a set since Roger Federer in 2017. He also became the youngest man to have won both legs of the Sunshine Double. As a result, he regained the world No. 1 ranking on 20 March 2023.[135] Alcaraz hoped to complete the Sunshine Double in Miami, where he was the defending champion. He reached the semifinals without dropping a set, where he lost to Jannik Sinner in three sets.[136] With the loss of his title points, Alcaraz dropped back to No. 2 in the world rankings.[137]Alcaraz was scheduled to play at the Monte-Carlo Masters the following week, but withdrew due to post-traumatic arthritis in his left hand and muscular discomfort in his spine.[138] He began the European clay court swing at the Barcelona Open; defeating Stefanos Tsitsipas in the final, he successfully defended his title without dropping a set.[139] He won his tenth career title at the Madrid Open again as the defending champion, defeating lucky loser Jan-Lennard Struff.[140] At the Italian Open, Alcaraz clinched the No. 1 ranking from Novak Djokovic just by playing his second round match. However, he was upset in the third round by world No. 135 Fabian Marozsan in straight sets, in what Jon Wertheim labelled the biggest upset of the year.[141][142]Alcaraz only dropped one set before the semifinals of Roland-Garros, where he met Novak Djokovic for their second career meeting. This was a highly anticipated showdown, as the two men had not played a match in over a year despite their ongoing fight over the world No. 1 ranking.[143][144] The match was competitive until Alcaraz faltered at the start of the third set due to cramps from mental pressure and physical intensity; Djokovic won in four sets, going on to win the tournament and regain the No. 1 ranking.[145]Alcaraz holding the Gentlemen's Singles Challenge Cup after winning the 2023 Wimbledon ChampionshipsAt the Queen's Club Championships, Alcaraz claimed his first title on grass in only his third career grass court tournament, beating Alex de Minaur in the final. This victory also restored him as world No. 1.[146] Despite relatively muted expectations for Alcaraz at Wimbledon, he only dropped two sets en route to the final. There he faced off against seven-time champion and four-time defending champion Djokovic. Alcaraz won the match, which lasted four hours and forty-two minutes, and was instantly acclaimed as a modern epic.[147] This was his first Wimbledon title, and his second major title overall.[148] Alcaraz became the only man outside the Big Four to claim the Wimbledon singles title since 2002, before he himself had been born.[149]Alcaraz lost in the quarterfinals of Toronto to Tommy Paul.[150] He then met Djokovic again in the Cincinnati final. Alcaraz lost in three sets, despite having a championship point in the second-set tiebreak. It was the longest ever best-of-three-sets ATP Masters final and the longest match in the tournament's history, at 3 hours and 49 minutes; Djokovic praised it as "one of the toughest matches of [his] life".[151][152] Alcaraz entered the 2023 US Open as defending champion, and reached the semifinals having only dropped one set. However, he lost there to 2021 champion Daniil Medvedev in four sets.[153] Following the tournament, Alcaraz lost the No. 1 ranking once again to eventual champion Djokovic, who had not been defending any points.[154] He withdrew from the Davis Cup Finals, citing tiredness.[155]Alcaraz entered the autumn-winter hardcourt season with the goal of seizing the year-end No. 1 ranking.[156][157] However, he lost to Jannik Sinner in the semifinals of Beijing, and then to Grigor Dimitrov in the round of 16 at Shanghai.[158][159] He withdrew from Basel due to injury,[160] and lost in his opening round at the Paris Masters to Roman Safiullin.[161] At the ATP Finals in Turin, Alcaraz lost to Alexander Zverev in the round robin stage but defeated Andrey Rublev and Daniil Medvedev to qualify for the semifinals, where he lost decisively to eventual champion Djokovic in straight sets.[162] Ultimately, Alcaraz ended the year ranked No. 2.[163]2024: Channel Slam, Olympic silverMain article: 2024 Carlos Alcaraz tennis seasonAlcaraz holding the Coupe des Mousquetaires following the men's singles final at the 2024 French OpenAlcaraz began his 2024 campaign at Australian Open, where he reached the quarterfinals for the first time in his career.[164] He lost to sixth seed Alexander Zverev in four sets.[165] In February, Alcaraz entered the Argentina Open as defending champion. He won his first two matches in straight sets before losing to Nicolás Jarry in the semifinal.[166][167] The following week, he retired from the Rio Open two games into his opening match after twisting his right ankle.[168] He later announced that he had suffered a lateral sprain, but said he would miss just "a few days" of training before Indian Wells.[168]As defending champion in Indian Wells, Alcaraz came back into form, dropping only one set to reach the semifinals.[169] He next faced Jannik Sinner for an eighth career meeting; he defeated him in three sets to end Sinner's 19-match winning streak.[170][171] Alcaraz then defeated Daniil Medvedev in the final, earning him his first title in eight months.[172] In Miami, where he aimed to complete the Sunshine Double, Alcaraz reached the quarterfinals without dropping a set.[173][174] However, he then lost to eventual finalist Grigor Dimitrov for a second consecutive time.[175] Following the tournament, he dropped to world No. 3 after being overtaken by Jannik Sinner.Alcaraz receiving his silver medal following the men's singles final at the 2024 Summer OlympicsAlcaraz experienced an injury-ridden clay season. He withdrew from the Monte–Carlo Masters and the Barcelona Open, the latter as defending champion, due to a right forearm injury.[176][177] In Madrid, where he was also defending champion, Alcaraz lost in the quarterfinals to eventual champion Andrey Rublev.[178] He then withdrew from Rome due to the forearm injury.[178] Alcaraz recovered in time to play the French Open in June. Despite some shaky early matches he reached the semi-final, where he defeated second seed Jannik Sinner in five sets to advance to his first Roland Garros final. His opponent there was fourth seed Alexander Zverev, whom Alcaraz defeated in five sets. At 21 years and 35 days, Alcaraz became the youngest male player in history to win a major title on three different surfaces.[179][180]In July, Alcaraz defended his Wimbledon title by defeating Novak Djokovic in straight sets in a rematch of their 2023 final.[181][182] At 21 years and 70 days, Alcaraz became the youngest male player in the Open Era to complete the Channel Slam (winning the French Open and Wimbledon in the same season).[183] Alcaraz then entered the 2024 Paris Summer Olympics in both doubles and singles. Partnering Rafael Nadal, he reached the quarterfinals in doubles. In singles, Alcaraz reached the final without dropping a set. However, in the gold medal match, he lost to Djokovic in straight sets.[184] He nonetheless became the youngest-ever silver medalist in men's singles.Alcaraz skipped the 2024 Canadian Open, citing fatigue. He played at the 2024 Cincinnati Open, but was upset by Gaël Monfils in the opening round.[185] This match marked the first time Alcaraz broke a racket on court, which generated significant media coverage and caused him to make a public apology.[186][187][188] He next played the 2024 US Open, suffering a shocking second-round defeat in straight sets to Botic van de Zandschulp, his earliest loss in a major since Wimbledon 2021.[189]Alcaraz recovered his form by successfully competing in team events: the group stage of the Davis Cup, and the Laver Cup exhibition. Afterwards, he defeated Jannik Sinner in the final of the China Open. This was Alcaraz's third encounter with Sinner in 2024, and his third victory, snapping Sinner's 15-match win streak.[190] With this win, Alcaraz reclaimed the world No. 2 ranking from Alexander Zverev.[191] He also became the first player in ATP Tour history to win an ATP 500 singles title on every surface – clay, grass and hard court.[192][193]Alcaraz lost in the quarterfinals of the 2024 Shanghai Masters to Tomáš Macháč, and in the round of sixteen at the 2024 Paris Masters to Ugo Humbert.[194][195] He was reportedly unwell during the 2024 ATP Finals but did not withdraw, beating Andrey Rublev but losing to Casper Ruud and Alexander Zverev in straight sets to exit the tournament at the round robin stage.[196] Alcaraz reunited with the Spanish Davis Cup team in Málaga for the quarterfinals. They were knocked out by the Netherlands, marking the end of Rafael Nadal's career.[197] Alcaraz became the first man to finish the year ranked as low as world No. 3 after winning two majors that season.2025: French and US Open titles, return to No. 1Main article: 2025 Carlos Alcaraz tennis seasonAlcaraz began his 2025 season at the Australian Open, vying to become the youngest man to complete a Career Grand Slam.[198][199] He was defeated by Novak Djokovic in the quarterfinals in four sets.[200] In February, Alcaraz won his first title of the season and first indoor hardcourt title of his career at the Rotterdam Open, defeating Alex de Minaur in the final.[201] Alcaraz then played the Qatar Open, where he lost in the quarterfinals to Jiří Lehečka.[202]Alcaraz serving at the 2025 French OpenAlcaraz entered Indian Wells as the two-time defending champion.[203] He reached the semifinals, where he lost to 13th seed and eventual champion Jack Draper despite bagelling him in the second set. This was Alcaraz's first loss after the quarterfinal stage of a tournament in over a year, and snapped his sixteen-match winning streak at Indian Wells.[204] In dire form, Alcaraz then lost his first match in Miami to David Goffin. This marked just his third career opening-round defeat at a Masters tournament.[205]Alcaraz's clay season was historically successful. He began it at the Monte-Carlo Masters, a tournament where he had previously never won a match.[206] Still in shaky form at first, Alcaraz fought through a tight three-setter with Arthur Fils in the quarterfinals.[207] He reached the final, where he defeated Lorenzo Musetti to claim his sixth career Masters 1000 title. Alcaraz comfortably reached the final of the Barcelona Open, where he lost to Holger Rune. Following the final, he announced his withdrawal from the Madrid Open, with injuries to both legs.[208][209] Alcaraz returned in Rome, where he defeated world No. 1 Jannik Sinner to claim his first Italian Open title. He became the third man to win every modern big title on clay (French Open, Monte-Carlo, Madrid, and Rome) after Rafael Nadal and Novak Djokovic.[210]Alcaraz met Sinner for a second consecutive big final at the French Open. After taking the first two sets, Sinner had three championship points on Alcaraz's serve in the fourth set. Alcaraz held from 0–40 and then broke Sinner's own serve to win the set. This forced a fifth set, which Alcaraz won with a dominant super tiebreak. Alcaraz claimed his fifth major title. At 5 hours 29 minutes, this was the longest French Open final of all time, and the second longest major final of all time.[211] It was also the first time Alcaraz had ever made a comeback from two sets to love down.[212] Many commentators immediately declared it one of the greatest matches of all time.[213][214][215][216][217]Alcaraz began his grass season at the Queen's Club Championships. His semifinal win against Roberto Bautista Agut was his 250th ATP victory; he became the third-fastest man to achieve this milestone in the Open Era.[218] Alcaraz defeated Jiří Lehečka in the final to claim his third consecutive title, and fifth title of the season.[219] In the first round of Wimbledon, Alcaraz was unexpectedly taken to five sets by Fabio Fognini, who had already announced his retirement and had not won a match all season.[220] Alcaraz dropped a set each to Jan-Lennard Struff, Andrey Rublev, and Taylor Fritz, but ultimately was able to reach his sixth consecutive final. He lost to Jannik Sinner in four sets, his first loss in a slam final and his first loss to Sinner since 2023. This also ended Alcaraz's 24-match win streak, the longest of his career.Alcaraz in the final of the 2025 US OpenAlcaraz reached his seventh consecutive final at the Cincinnati Open, where he once again faced Jannik Sinner. Sinner struggled physically, and retired while Alcaraz was leading 5–0 in the first set. Alcaraz therefore claimed his third Masters title of the season.[221] At the US Open, Alcaraz swept through the first six rounds of singles competition, bagelling both Mattia Bellucci and Luciano Darderi on the way.[222] In the semifinal, Alcaraz recorded his first win over Novak Djokovic on hardcourt.[223] Alcaraz reached the final without dropping a single set, the first man to do so at the US Open since Roger Federer in 2015.[224] This was his eighth consecutive tour-level final, and for a third consecutive slam final, he faced Jannik Sinner. Alcaraz defeated him in four sets to claim his sixth major in one of the most dominant runs of all time.[225] He became the fourth and youngest man, at 22 years, 4 months and 2 days old, in the Open Era to win multiple slam titles on each surface.[226] With this victory, Alcaraz also regained the world No. 1 ranking for the first time in two years.[227]Alcaraz then made his debut at the Japan Open. In the first set of his first round match against Sebastián Báez, Alcaraz twisted his ankle.[228] Despite the injury, he kept playing to reach his ninth consecutive final, where he faced Taylor Fritz. Having lost to Fritz at the Laver Cup just 10 days prior, Alcaraz swept past him in straight sets to secure his eighth title of the year.[229] Alcaraz then announced his withdrawal from the Shanghai Open.[230]Alcaraz lost his first match at the Paris Masters to Cameron Norrie in three sets, ending his streak of consecutive finals.[231] At the ATP Finals, Alcaraz defeated Alex de Minaur, Taylor Fritz, and Lorenzo Musetti to top his round robin group. With the win against Musetti, he clinched the year-end No. 1 ranking for the second time. Alcaraz defeated Félix Auger-Aliassime in the semifinal, making only three unforced errors in the first set. He progressed to yet another final against Jannik Sinner, which he lost in straight sets.[232] Alcaraz then announced his withdrawal from the Davis Cup due to a hamstring injury, ending his season.[233]2026: Australian Open champion, Career Grand SlamMain article: 2026 Carlos Alcaraz tennis seasonDuring the December preseason, Alcaraz parted ways with longtime coach Juan Carlos Ferrero.[234] Alcaraz began his 2026 season at the Australian Open, where he reached the semifinals without dropping a set en route.[235] In the semifinal against Alexander Zverev, he won the first two sets before struggling due to cramps. After dropping the third and fourth sets in a pair of tiebreaks, he resurged to win the decider. At 5 hours and 27 minutes, this was the longest Australian Open semifinal and third-longest overall match in tournament history.[236] Alcaraz became the youngest man in the Open Era to reach the final of all four majors, breaking the record set by Jim Courier in 1993.[237] There, Alcaraz defeated Novak Djokovic to clinch his first Australian Open title, becoming the youngest player in history to complete a Career Grand Slam in men's singles, at the age of 22.[238]