2018–2020: Major singles and doubles debut Rinderknech made his major main draw debut as a wildcard at the
2018 French Open in doubles partnering
Florian Lakat. Rinderknech received a main draw invitation to
singles at the 2020 French Open, where he lost to
Aljaž Bedene in the first round. He also got a wildcard in
doubles, partnering with compatriot
Manuel Guinard. The pair reached the second round.
2021: ATP debut, First Major win, Maiden doubles final In his debut on the
ATP Tour in March, Rinderknech qualified for the main draw of the
2021 Open 13 in Marseille, France, where he reached the quarterfinals, beating
Alejandro Davidovich Fokina, before losing to fellow countryman
Ugo Humbert. In May at the
2021 ATP Lyon Open, Rinderknech recorded his first win, defeating 6th seeded
Jannik Sinner, the first top-20 win in his career, to reach his second career quarterfinal as a
lucky loser. Rinderknech qualified for the
2021 Wimbledon Championships main draw for the first time in his career. the other match being the Federer-Djokovic 2019 final. In July, he reached the quarterfinals as a qualifier at the
2021 Swedish Open in Båstad defeating 4th seed
John Millman. As a result, he made his top 100 debut on 19 July 2021. At the
2021 Swiss Open Gstaad Rinderknech defeated second seed and World No. 16
Roberto Bautista Agut, his second top-20 win, to reach the quarterfinals. The following week, he reached the semifinals for the first time in his career at the
Kitzbühel Open, losing to eventual winner
Casper Ruud. As a result, he reached a new career-high of World No. 79 on 2 August 2021. At the
2021 US Open he entered directly into the main draw for the first time and also reached the second round of a Grand Slam for the first time in his career defeating
Miomir Kecmanović after a comeback from two sets down 6–7(10), 3–6, 7–5, 6–3, 6–4. At the
2021 Moselle Open he reached his first ATP final in his career partnering
Hugo Nys where they were defeated by
Hubert Hurkacz and Jan
Zieliński from Poland. Following a quarterfinal appearance at the
2021 Stockholm Open where he lost to defending champion, 3rd seed
Denis Shapovalov, he made his debut in the top 60 at World No. 58 on 15 November 2021.
2022: First ATP singles final, Top 50 debut, French No. 1 Rinderknech started his 2022 season by representing France at the
ATP Cup. France was in Group B alongside Russia, Italy, and Australia. He lost his first match to
Roman Safiullin of Russia. He lost his second match to
Jannik Sinner. He won his final match by beating
James Duckworth of Australia. France ended in fourth place in Group B. At the
Adelaide International 2, he defeated 3rd seed and runner-up of the first tournament,
Karen Khachanov, in the quarterfinals, and qualifier and compatriot,
Corentin Moutet, in the semifinals to reach his first final on the ATP Tour. In the final, he pushed Australian wildcard,
Thanasi Kokkinakis, to three sets, but he ended up losing the match. As a result of reaching the final, he made his debut in the world's top 50 at No. 48 on 17 January 2022. Ranked No. 48 in his debut at the
Australian Open, he won his first match at this Major defeating Australian
Alexei Popyrin in the first round. He was set to play 24th seed,
Dan Evans, in the second round, but he withdrew due to a wrist injury. In February, Rinderknech competed at the
Qatar ExxonMobil Open. He beat seventh seed,
Alexander Bublik, in the second round. He then upset top seed and world No. 12,
Denis Shapovalov, in the quarterfinals which not only earned him his third Top 20 win of his career, but he also reached his second semifinal of the year. He lost in his semifinal match to third seed, world No. 22, and defending champion,
Nikoloz Basilashvili. In
Dubai, he fell in the first round to eighth seed, world No. 15, and 2018 champion,
Roberto Bautista Agut. Representing France during the
Davis Cup tie against Ecuador, Rinderknech played one match and won over
Emilio Gómez; France ended up beating Ecuador 4–0. At the
Indian Wells Masters, he lost in the first round to
Benjamin Bonzi. Seeded third at the
Arizona Classic, an ATP Challenger tournament in Phoenix, he was defeated in the second round by
Liam Broady. At the
Miami Open, he recorded his first win at the Masters 1000 level against
Laslo Djere but lost in the second round to eighth seed, world No. 10, and defending champion,
Hubert Hurkacz. Starting his clay-court season at the
Monte-Carlo Masters, Rinderknech was eliminated in the first round by 2019 champion
Fabio Fognini. At the
Lyon Open, he lost in the first round to
Holger Rune. Ranked No. 60 at the
French Open, he was defeated in the first round by Bublik. As the top seed at the
Poznań Open, an ATP Challenger tournament, Rinderknech won his fourth ATP Challenger title by beating
Tomás Barrios Vera in the final. Rinderknech started his grass-court season at the
BOSS Open in Stuttgart, Germany. He upset eighth seed and compatriot,
Ugo Humbert, in the first round in three sets. He lost in the second round to compatriot Benjamin Bonzi. At the
Halle Open, he fell in the first round of qualifying to
Marc-Andrea Hüsler. Ranked No. 62 at
Wimbledon, he lost in the first round to 13th seed, world No. 16, and last year semifinalist, Denis Shapovalov, in five sets. After Wimbledon, Rinderknech competed at the
Salzburg Open, an ATP Challenger tournament in Austria. As the top seed, he lost in the second round to Austrian wildcard
Lukas Neumayer. At the
US Open, he recorded his third Major career win against compatriot
Quentin Halys. At the
2022 Moselle Open in Metz, he lost in the quarterfinals for the second time in the season to world No. 10 and second seed
Hubert Hurkacz. At the
2022 Tel Aviv Open he also reached the quarterfinals defeating third seed
Diego Schwartzman but lost to
Roman Safiullin for the second time in the season. At the
2022 Gijón Open he reached his third tour-level semifinal for the season saving nine match points against second seed
Pablo Carreño Busta in an over three hours match. At the
2022 Swiss Indoors he defeated fourth seed
Marin Čilić in the first round after qualifying for the main draw. He then won against
Alex Molčan to reach the quarterfinals. As a result, he became the French No. 1 in the rankings at world No. 42 on 31 October 2022 ahead of
Adrian Mannarino. Rinderknech received a wildcard to participate in his home tournament, the
2022 Rolex Paris Masters for a second year in a row.
2023: United Cup debut, First Major third round Rinderknech started his 2023 season by representing France at the
2023 United Cup. France was in Group F alongside Argentina and Croatia. Against Argentina, he beat
Francisco Cerúndolo. France won the tie over Argentina 5–0. Against Croatia, he lost to
Borna Ćorić in two tiebreaker sets. Croatia ended up winning the tie over France 3–2. France didn't qualify for the knockout stage; they ended second in Group F. Last year finalist at the
Adelaide International 2, he was defeated in the first round by
Marc-Andrea Hüsler. At the
Australian Open, he lost in the first round to qualifier
Yosuke Watanuki. In February, Rinderknech reached the second round at the
Open Sud de France in Montpellier, losing to third seed and world No. 23, Borna Ćorić. At the
Rotterdam Open, he was defeated in the first round of qualifying by
Jurij Rodionov. In
Marseille, he lost in the first round to
Leandro Riedi. As the top seed at the
Teréga Open Pau–Pyrénées, he reached the semifinals where he was defeated by compatriot,
Luca Van Assche, who ended up winning the tournament.
2024: Two ATP quarterfinals and Masters third rounds Rinderknech reached his first quarterfinal for the season in
Marseille as an alternate, defeating
Maxime Cressy and eight seed
Jiří Lehečka in straight sets. In February, he won his sixth Challenger title at the
Play In Challenger in
Lille, France, defeating
Joris De Loore in the final. In May, he also reached the quarterfinals in
Lyon but withdrew from his match against
Luciano Darderi. In July, Rinderknech recorded his first win at
Wimbledon defeating
Kei Nishikori in the first round before losing to
Taylor Fritz in the second round. He reached the third round of a Masters at the
2024 National Bank Open in Montreal as a qualifier, with main draw wins over compatriot
Adrian Mannarino and
Flavio Cobolli. As a result he returned to the top 60 in the rankings on 12 August 2024. At the
US Open, he defeated
Christopher Eubanks in five sets with a super tiebreak. He lost to sixth seed
Andrey Rublev in a five set match, after being two sets up.
2025: Best season: Two top 5 wins, Shanghai final, top 30 In June, Rinderknech reached the second round at the
Queen's Championships by defeating
Ben Shelton in the first round, his first top 10 win. In July, Rinderknech reached the second round at
Wimbledon by defeating third seed
Alexander Zverev, his first top 5 win. He then reached the third round at the tournament for the first time by defeating
Cristian Garín in five sets over two days. Rinderknech reached his first semifinal of the year at the
Generali Open Kitzbühel. He lost to fellow countryman
Arthur Cazaux in the semifinal. In September at the
2025 US Open, Rinderknech reached the fourth round of a Grand Slam for the first time in his career. Rinderknech went on to upset 15th seed
Jiří Lehečka in the fourth round, 12th seed
Felix Auger-Aliassime in the quarterfinal and 16th seed
Daniil Medvedev in the semifinal to reach the final. As a result he reached the top 30 at world No. 28 on 13 October 2025. He lost to qualifier
Valentin Vacherot in the final. ==Personal life==