2015–16: Challenger and ranking records In March 2015 at the
Challenger de Drummondville, Auger-Aliassime became the youngest player in history to qualify for an ATP Challenger main draw at years old. He defeated compatriot
Jack Mingjie Lin, former world No. 67,
Chris Guccione, and world No. 433,
Fritz Wolmarans, to do so. He, however, was forced to withdraw before playing his first-round match due to an abdominal strain. With the points earned, Auger-Aliassime once again made history as the first player born in the 2000s to have an ATP ranking. At the
Challenger de Granby in July 2015, he qualified for his second ATP Challenger main draw with victories over fellow Canadian Jack Mingjie Lin and world No. 574, Jean-Yves Aubone. He won his opening round in straight sets over world No. 493
Andrew Whittington, becoming the youngest player to win a main-draw ATP Challenger match. In the next round, he scored an upset over world No. 205,
Darian King, in straight sets. He was stopped by world No. 145
Yoshihito Nishioka in three sets in the quarterfinals. After his run to the quarterfinals, Auger-Aliassime became the youngest player ever to break the top 800 on the ATP rankings at No. 749. In May 2016, Auger-Aliassime reached his first professional singles final at the $10k event in
Lleida, falling to
Ramkumar Ramanathan. In November 2016, he won his first pro title with a victory over Juan Manuel Benitez Chavarriaga at the ITF Futures in
Birmingham. The next week at the Futures in
Niceville, he captured his first pro doubles title with partner
Patrick Kypson.
2017: First ATP Challenger title, top 200 In January, Auger-Aliassime reached the final of the ITF Futures in
Plantation, but lost to
Roberto Cid Subervi in three sets. In March, he won the title in
Sherbrooke over
Gleb Sakharov, his second ITF Futures. The next week, he advanced to the semifinals of the $75k ATP Challenger in
Drummondville with a win over world No. 124,
Peter Polansky, but lost to compatriot and eventual champion Denis Shapovalov. In June at the
Open de Lyon, Auger-Aliassime captured his maiden ATP Challenger, becoming the first 16-year-old to win a Challenger singles title since
Bernard Tomic in 2009 at the
Maccabi Men's Challenger and the seventh-youngest in history. In September at the
Copa Sevilla, he won his second ATP Challenger title of the season after defeating former world No. 56,
Íñigo Cervantes, in the final. With this win, he became the youngest player to break the top 200 since
Rafael Nadal in December 2002 and the second-youngest to win multiple ATP Challenger titles, standing behind only
Richard Gasquet.
2018: ATP main-draw debut In February in
Budapest, Auger-Aliassime captured his first ATP Challenger doubles title, defeating
Marin Draganja and
Tomislav Draganja with a partner
Nicola Kuhn. Auger-Aliassime also made his debut in an ATP main draw at the
Rotterdam Open, losing in three sets to world No. 38,
Filip Krajinović, in the first round. In March at
Indian Wells, he qualified for his first ATP Masters 1000 main draw. He faced fellow Canadian
Vasek Pospisil in the first round, defeating him in straight sets to win his first tour-level match. He was defeated in the next round by another compatriot,
Milos Raonic. In April, Auger-Aliassime was awarded a wildcard for the
Monte-Carlo Masters where he lost his opener in three sets to world No. 55,
Mischa Zverev. In June at the ATP Challenger in
Lyon, he successfully defended his title with a victory over
Johan Tatlot in the final and became the youngest player in history to defend an ATP Challenger title. In August, Auger-Aliassime received a wildcard to compete in the main draw of the
2018 Rogers Cup. In the first round, he defeated
Lucas Pouille in two sets and in the second round, he was defeated by
Daniil Medvedev. Auger-Aliassime earned a spot through three qualifying matches to reach the main draw of the
US Open. He then retired in the first round against countryman Denis Shapovalov after suffering from
heart palpitations brought on by extreme heat.
2019: Three ATP and Davis Cup finals At age 18, Auger-Aliassime became the youngest-ever ATP 500 finalist with his win over
Pablo Cuevas to reach the
Rio Open title match. In the final, he lost to
Laslo Đere in straight sets. At his next tournament in
São Paulo, Auger-Aliassime lost to Đere again – this time in the quarterfinals. At the
Indian Wells Masters, he achieved his first victory against a top-ten player, defeating
Stefanos Tsitsipas (who was No. 10 in the ATP rankings at that time) in straight sets in the second round. At the
Miami Open, Auger-Aliassime beat
Nikoloz Basilashvili in the fourth round and
Borna Ćorić in the quarterfinals to become the youngest semifinalist in the tournament's history. In the semifinals, he lost to defending champion and eventual runner-up John Isner in two tight sets, despite leading by a break in both sets. He received a wildcard to play in the
Madrid Open. Auger-Aliassime made it to the second round where he was defeated by Rafael Nadal, in straight sets. At the
Lyon Open, he worked his way into his second ATP final, by beating
John Millman,
Steve Johnson, and
Nikoloz Basilashvili, the No. 1 seed. He was then defeated by
Benoît Paire, in straight sets. In the
Mercedes Cup he made it to his third final, by defeating experienced players like
Ernests Gulbis,
Gilles Simon, and
Dustin Brown. He received a walkover into the final when
Milos Raonic withdrew. In the final he was defeated by
Matteo Berrettini, despite having set points to win the second set. At
Queen's Club, Auger-Aliassime defeated
Grigor Dimitrov and
Nick Kyrgios, both matches were played on the same day as the tournament program was delayed by rain earlier during the week. In the quarterfinals, he recorded his second win against Stefanos Tsitsipas. Auger-Aliassime lost in the semifinals to eventual champion
Feliciano López. At
Wimbledon, he entered as the 19th seed and earned his first win as a pro in a major, by defeating compatriot
Vasek Pospisil. After beating
Corentin Moutet in four sets, he was stopped by
Ugo Humbert in the third round. At the
US Open he lost to in the first round to Denis Shapovalov for the second straight year.
2020: Two ATP singles finals and doubles title At the
2020 Australian Open, Auger-Aliassime lost in the first round to
Ernests Gulbis. Auger-Aliassime was seeded 15th at the
2020 US Open and advanced to the fourth round after defeating
Thiago Monteiro,
Andy Murray, and
Corentin Moutet in the first three rounds. He then lost in straight sets to the second seed and eventual champion
Dominic Thiem. Auger-Aliassime then participated in the rescheduled
French Open, where he fell to
Yoshihito Nishioka in the first round. In October, he reached the final of the
Bett1Hulks Indoors tournament in
Cologne, Germany, losing to home favorite,
Alexander Zverev. Auger-Aliassime claimed the doubles title at the
Paris Masters with partner
Hubert Hurkacz, saving five championship points in his first doubles final.
2021: US Open semifinal, top 10 At the
2021 Australian Open, Auger-Aliassime lost in the fourth round to Russian qualifier
Aslan Karatsev, despite being two sets to love up. In April, he hired Rafael Nadal's uncle and former coach,
Toni Nadal, as a new coach ahead of the clay-court season. At the
French Open, Auger-Aliassime lost in the first round to
Andreas Seppi. He also lost his eighth final at the
Stuttgart Open to Marin Čilić. At the
Halle Open, he reached the semifinals by defeating 10-time tournament champion and fifth seed,
Roger Federer, in the second round to secure his fourth top-10 victory, even though Federer was visibly injured, from his 16-month knee injury. (4–15). Felix then defeated qualifier
Marcos Giron in the quarterfinals but lost to the eventual champion,
Ugo Humbert. In the same tournament in doubles, he reached the final partnering Hubert Hurkacz but lost to third seeded German
Kevin Krawietz and Romanian
Horia Tecău. At
Wimbledon, he reached his first major quarterfinal with a five-set win over world No. 6 and fourth seed Alexander Zverev, beating the German for only the fifth top-10 win of his career. He became the fifth Canadian man to reach the Wimbledon quarterfinals after tenth seed Denis Shapovalov did so in the same tournament. It marked the first time that two Canadian men together reached a Grand Slam quarterfinal. With this successful run he entered the top 15 in the rankings. He then lost to seventh seed and eventual finalist
Matteo Berrettini, in four sets in the quarterfinals. At the rescheduled
2020 Tokyo Olympics, Auger-Aliassime was set to play defending gold medalist Andy Murray in the first round. However, Murray withdrew from singles due to a calf injury, and Auger-Aliassime was upset by his replacement, 190th ranked Australian
Max Purcell. At the
Washington Open, seeded second, Auger-Aliassime was upset by 130th ranked American wildcard player
Jenson Brooksby in the third round. At the
Canadian Open, seeded No. 9, Auger-Aliassime was upset by
Dušan Lajović in the second round. At the
US Open, Auger-Aliassime reached his maiden major semifinals following wins over 18th-seed Roberto Bautista Agut,
Frances Tiafoe, and
Carlos Alcaraz (the latter via a retirement). There, he lost to world No. 2, Daniil Medvedev, in straight sets. He became the youngest player to play in the semifinals since 2009. Following his run at the US Open, Felix reached a career-high world No. 11 ranking on 13 September 2021. He reached the semifinals at the
Stockholm Open where he lost to defending champion fellow Canadian Denis Shapovalov. As a result, he entered the top 10 on 15 November 2021.
2022: Davis Cup winner, four titles Auger-Aliassime started his 2022 season at the
ATP Cup, in which he was part of the winning team. He played for Canada along with teammate
Denis Shapovalov where they defeated Roberto Bautista Agut and
Pablo Carreño Busta, who played for Spain, in the final. As a result, he hit a new career-high of world No. 9 on January 10, 2022. Auger-Aliassime subsequently entered the
Australian Open seeded ninth, where he beat
Emil Ruusuvuori in the first round in five sets, despite receiving a
bagel in the second set. He beat
Alejandro Davidovich Fokina in the second round, and defeated 24th seed
Dan Evans in the third. He defeated 27th seed Marin Čilić in the fourth round, before losing to number two seed Daniil Medvedev in five sets in the quarterfinals, despite being two sets up. Auger-Aliassime entered the
2022 Rotterdam Open seeded third. After wins against
Egor Gerasimov, Andy Murray,
Cameron Norrie, and
Andrey Rublev, Auger-Aliassime faced top seed
Stefanos Tsitsipas in the final. He beat Tsitsipas in straight sets, winning his first ATP Tour title after a record of 0–8 in previous finals. Auger-Aliassime entered the
2022 Open 13 Provence and again reached the finals after straight set wins against
Jo-Wilfried Tsonga,
Ilya Ivashka, and
Roman Safiullin, but lost to Andrey Rublev in straight sets. Auger-Aliassime withdrew from the 2022
Dubai Tennis Championships with a back injury. He was to be seeded third. He entered the
2022 Indian Wells Masters seeded ninth, and lost to
Botic van de Zandschulp in the second round. At the
French Open, Auger-Aliassime won his first match at this tournament and came back from two sets to love down for the first time in his career to beat
Juan Pablo Varillas in the first round. He then beat another qualifier,
Camilo Ugo Carabelli, and
Filip Krajinović in straight sets to set up a fourth round encounter with Rafael Nadal. There he became only the third player after
Novak Djokovic and John Isner to take Nadal to five sets at this tournament. At the
Canadian Open, Auger-Aliassime lost in the quarterfinals to
Casper Ruud after defeating Cameron Norrie in the third round. At the Cincinnati Masters, Auger-Aliassime reached his fourth back-to-back quarterfinal at a Masters 1000 level in the season defeating
Jannik Sinner after saving two match points. Next he was upset by eventual winner
Borna Ćorić. At the
US Open, Auger-Aliassime lost in the second round to
Jack Draper in straight sets. Auger-Aliassime made 41 unforced errors compared to just 17 by Draper. At the
2022 Davis Cup group stage, Auger-Aliassime upset US Open champion and world No. 1, Carlos Alcaraz. At the
Firenze Open, he won his second title with a win over
JJ Wolf in the final. He won his second consecutive title and third overall title in
Antwerp, defeating
Sebastian Korda in the final. He reached a third consecutive final in
Basel, recording his second victory of the year over world No. 1 Alcaraz in the semifinals in the process. He defeated
Holger Rune in the final in straight sets, winning his third consecutive title, and fourth overall. He became the third player in the season to win an ATP Tour title without dropping a service game, the other two being Taylor Fritz and Nick Kyrgios. In the process he recorded his 50th win of the year and 150th of his career against
Miomir Kecmanović in the second round. At the
Paris Masters, he reached the semifinals, recording his first match victory against qualifier
Mikael Ymer, in a three tight set match with two tiebreaks that lasted 3 hours and 30 minutes. He defeated retiring
Gilles Simon for his 15th win to reach his fifth back-to-back Masters 1000 quarterfinal. The previous day on November 2, he also qualified for his first
ATP Finals. In the quarterfinals, Auger Aliassime defeated Frances Tiafoe and thus recording his 16th straight win and the second longest streak for the season behind Nadal's 20 wins. As a result of this run he guaranteed himself the world No. 6 spot in the rankings on November 7, 2022. He lost to Holger Rune in the semifinals, ending his 16-match winning streak in a repeat of the Swiss Open title match. At the
2022 ATP Finals, Auger-Aliassime lost to Taylor Fritz in three sets after defeating Rafael Nadal in an earlier group stage match. In the knock-out stage of the
2022 Davis Cup, Auger-Aliassime teamed up with Denis Shapovalov and
Vasek Pospisil for Canada's first Davis Cup Finals win. Canada defeated Australia in the finals after defeating Germany and Italy.
2023: Injuries, one title Auger-Aliassime began his season in
Adelaide, where he lost in the first round to
Alexei Popyrin. At the
Australian Open, he reached the fourth round after defeating fellow Canadian veteran Vasek Pospisil,
Alex Molčan, and
Francisco Cerúndolo before losing to
Jiří Lehečka in four sets. At the
Rotterdam Open, he was the defending champion. He reached the quarterfinals following wins over
Lorenzo Sonego and
Grégoire Barrère but fell to eventual champion Daniil Medvedev in straight sets. Next, at the
Qatar Open, he reached the semifinals to set a rematch with Daniil Medvedev but lost in straight sets once more. At the
Dubai Championships, he lost to Lorenzo Sonego in the second round. At the Sunshine double, he arrived at the
BNP Paribas Open in Indian Wells as the eighth seed. He defeated
Pedro Martínez, Francisco Cerúndolo, and
Tommy Paul in the round of 16. In the quarterfinals he lost in straight sets to top seed Carlos Alcaraz. The following week, at the
Miami Open, he lost in the third round to Francisco Cerúndolo. Having received a bye in the first round, he lost in the second rounds of the
Madrid Open and the
Italian Open. He also lost in the first round of the
2023 French Open to
Fabio Fognini. He withdrew from
Halle Open with a left knee injury. Due to this injury layoff, he entered the
2023 Wimbledon Championships without having played a grass-court match during the season, and lost to lucky loser
Michael Mmoh. Auger-Aliassime entered the
US Open seeded fifteenth, where he was defeated by
Mackenzie McDonald in the first round. He finally managed to win four matches in a row when he reached the final at the
Swiss Indoors where he was the defending champion defeating top seed
Holger Rune in straight sets, his first top-10 win of the season. He came into the tournament having won only 4 out of the past 12 matches. He successfully defended his title defeating Polish
Hubert Hurkacz in the final. Despite this good result, he fell out of the top 25 to world No. 29 on 13 November 2023.
2024: Olympic bronze, top 20 After a slow start of the season, he further dropped out of top 35 on 18 March 2024 to world No. 36. Ranked No. 35, at the
2024 Mutua Madrid Open he reached his first Masters final after wins over
Yoshihito Nishioka, 19th seed
Adrian Mannarino, the retirement of
Jakub Menšík in the second set, a win over fifth seed
Casper Ruud, a walkover from top seed
Jannik Sinner and the retirement of 30th seed
Jiří Lehečka. As a result, he became the first Canadian man to reach a clay Masters 1000 final and returned to the top 20 in the rankings for the first time since October 2023. He reached the semifinals at the
Paris Olympics defeating
Marcos Giron,
Maximilian Marterer and upsetting two seeds, fourth seed
Daniil Medvedev and sixth seed Casper Ruud. He became the first Canadian player to reach the medal stage in singles at the Olympic Games. Auger-Aliassime lost his semifinal match to second seed
Carlos Alcaraz in straight sets, and then lost in the bronze medal match to
Lorenzo Musetti. Auger-Aliassime and
Gabriela Dabrowski defeated
Demi Schuurs and
Wesley Koolhoof of the Netherlands, to win a bronze medal in mixed doubles, only the second Olympic tennis medal for Canada. He reached the round of 16 at the
Cincinnati Open defeating again seventh seed Casper Ruud and recorded his 50th Masters win.
2025: Three titles, world No. 5, Americas player No. 1 Auger-Aliassime started the season by winning the
Adelaide International to secure his sixth ATP Tour title and first on outdoor hardcourts, defeating
Sebastian Korda in the final. In February, he overcame qualifier
Aleksandar Kovacevic in the final at the
Open Occitanie in
Montpellier, France, to claim his second title of the season and seventh of his career. At the
US Open, Auger-Aliassime was seeded 25th. He defeated lucky loser
Billy Harris and
Roman Safiullin in straight sets, before upsetting world No. 3
Alexander Zverev in four sets in the third round. This was his first top-5 win at a Grand Slam tournament, having previously lost all six matches at majors against top-5 players. In the fourth round, Auger-Aliassime upset 15th seed
Andrey Rublev in straight sets, advancing to his first Grand Slam quarterfinal since 2022 and his fourth overall. He then defeated world No. 8
Alex de Minaur in four sets to return to his first semifinal since 2021. At the
2025 Rolex Shanghai Masters Auger-Aliassime recorded his 250th win, en route to the quarterfinals, becoming only the third man born in the 2000s to reach the milestone, after Jannik Sinner and Carlos Alcaraz. At the start of the indoor hardcourt season, Auger-Aliassime defeated qualifier
Eliot Spizzirri,
Raphaël Collignon and
Jiří Lehečka in three sets to win his second title at the
BNP Paribas Fortis European Open and third of the year.
2026: United Cup, Montpellier title defence Auger-Aliassime represented Canada at the
2026 United Cup, teaming with
Victoria Mboko. They defeated China, 3–0, but lost to Belgium, 0–3, and did not advance out of the group stage. At the
2026 Australian Open, Auger-Aliassime was seeded seventh, but retired in his first-round match against Portugal’s
Nuno Borges due to leg cramps early in the fourth set. In February, Auger-Alissime successfully defended his
title in
Montpellier, defeating home favourite Adrian Mannarino in the final. He defeated
Stan Wawrinka and
Arthur Fils en route to the final. The win is Auger-Alissime's ninth ATP title, and his eighth on indoor hardcourts. Nine titles was the most for a Canadian man in the
Open Era one more than
Milos Raonic. Also, Auger-Aliassime's 89 ATP indoor matches was the most of any player this decade, ahead of
Jannik Sinner's 83. ==Playing style==