Grégoire Jacq (born 9 November 1992) is a French tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 59 achieved on 3 February 2025. Jacq has won 10 ATP Challenger doubles titles. He also has a career high singles ranking of No. 332 achieved on 29 October 2018.
Career 2017: Major debut in doubles Jacq made his main draw debut at the 2017 French Open after receiving a wildcard to the doubles main draw with Hugo Nys. They were defeated by Jan-Lennard Struff and Mischa Zverev in the first round.
2023-2025: First ATP finals, top 75 debut Following five doubles Challenger titles starting in June 2023 and another two in the first three months of 2024 (six of the total with Manuel Guinard), he reached a career high doubles ranking of No. 97 on 6 May 2024. Next, the French duo Jacq/Guinard entered their home Slam, the 2024 French Open as alternates, and on their Major debut as a team, defeated 14th seeded American pair of Nathaniel Lammons and Jackson Withrow in the first round. They reached the third round with a win over Guido Andreozzi and Rinky Hijikata. They lost to the Tsitsipas brothers.
He reached his first ATP final with Guinard at the 2024 Swedish Open defeating defending champions and top seeded pair of Aleksandr Nedovyesov and Gonzalo Escobar. They lost to Brazilian duo Rafael Matos and Orlando Luz. The following week the pair reached their second ATP final at the 2024 Croatia Open Umag. As a result he reached the top 70 in the doubles rankings on 29 July 2024.
At the 2025 Australian Open Jacq recorded his first win at the tournament, partnering Orlando Luz, over alternate pair Jeevan Nedunchezhiyan and Vijay Sundar Prashanth.
ATP Tour career finals Doubles: 2 (2 runners-up) LegendGrand Slam tournaments (0–0)ATP Masters 1000 (0–0)ATP 500 (0–0)ATP 250 (0–2)Finals by surfaceHard (0–0)Clay (0–2)Grass (0–0)Finals by settingOutdoor (0–2)Indoor (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Swedish Open,Sweden250 SeriesClay Manuel Guinard Orlando Luz Rafael Matos5–7, 4–6Loss0–2Croatia Open,Croatia250 SeriesClay Manuel Guinard Guido Andreozzi Miguel Ángel Reyes-Varela4–6, 2–6
ATP Challenger and ITF Tour finals
Singles: 13 (5–8) LegendATP Challenger (0–0)ITF Futures (5–8)Finals by surfaceHard (2–4)Clay (2–4)Grass (0–0)Carpet (1–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Bulgaria F3, BlagoevgradFuturesClay Ivan Nedelko6–3, 4–6, 2–6Loss0–2Turkey F32, SakaryaFuturesHard Yannick Jankovits4–6, 4–6Win1–2Italy F1, TrentoFuturesCarpet Dominik Boehler6–1, 6–4Loss1–3Algeria F2, AlgiersFuturesClay Mario Vilella Martínez4–6, 2–6Loss1–4France F10, Mont-de-MarsanFuturesClay Maxime Hamou4–6, 5–7Win2–4Germany F4, KaltenkirchenFuturesClay Yannick Maden3–6, 3–2 ret.Loss2–5Slovakia F3, Slovenska LupcaFuturesClay Petr Michnev5–7, 2–6Loss2–6France F21, NeversFuturesHard Albano Olivetti6–7(6–8), 3–6Loss2–7France F2, BressuireFuturesHard Gleb Sakharov3–6, 3–6Win3–7Slovakia F2, PiešťanyFuturesClay Lukas Klein6–4, 3–6, 6–3Loss3–8France F17, MulhouseFuturesHard Andres Artunedo Martinavarro6–7(6–8), 5–7Win4–8France F20, NeversFuturesHard Gleb Sakharov6–3, 6–2Win5–8France F22, RodezFuturesHard Rémi Boutillier7–6(7–5), 6–4
Doubles: 53 (29 titles, 24 runners-up) Legend (doubles)ATP Challenger Tour (10–3)ITF Futures Tour (19–21)Titles by surfaceHard (8–12)Clay (19–9)Grass (0–0)Carpet (1–3)
ATP Challengers Finals (10–3) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Troisdorf, GermanyChallengerClay Manuel Guinard Íñigo Cervantes Oriol Roca Batalla 2–6, 6–7(1–7)Win1–1Lyon, FranceChallengerClay Manuel Guinard Constantin Frantzen Hendrik Jebens 6–4, 2–6, [10–7]Win2–1Blois, FranceChallengerClay Dan Added Théo Arribagé Luca Sanchez6–4, 6–4Win3–1Troyes, FranceChallengerClay Manuel Guinard Álvaro López San Martín Daniel RincónWalkoverWin4–1Amersfoort, NetherlandsChallengerClay Manuel Guinard Mats Hermans Sander Jong6–4, 6–4Win5–1Meerbusch, GermanyChallengerClay Manuel Guinard Fernando Romboli Marcelo Zormann7–5, 7–6Win6–1Nonthaburi, ThailandChallengerHard Manuel Guinard Francis Casey Alcantara Sun Fajing6–4, 7–6(8–6)Win7–1Zadar, CroatiaChallengerClay Manuel Guinard Roman Jebavý Zdeněk Kolář 6–4, 6–4Win8–1Lyon, FranceChallengerClay Manuel Guinard Markos Kalovelonis Vladyslav Orlov 4–7, 6–3, [10–6]Loss8–2Karlsruhe, GermanyChallengerClay Dan Added Jakob Schnaitter Mark Wallner4–6, 0–6Win9–2Salzburg, AustriaChallengerClay Manuel Guinard Petr Nouza Patrik Rikl 2–6, 6–3, [14–12]Win10–2Rennes, FranceChallengerClay Sander Arends Antoine Escoffier Joshua Paris 6–4, 6–2Loss10–3Orléans, FranceChallengerHard (i) Manuel Guinard Benjamin Bonzi Sascha Gueymard Wayenburg6–7(7–9), 6–4, [5-10]
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