Geoffrey Blancaneaux (born 8 August 1998) is a French professional tennis player who competes on the ATP Challenger Tour. He has a career-high ATP singles ranking of World No. 134 achieved on 14 November 2022 and a doubles ranking of No. 115 achieved on 19 May 2025.

Junior career Blancaneaux won the 2016 French Open boys' singles title, defeating Félix Auger-Aliassime in the final after saving three championship points.

Professional career 2017: Grand Slam debut In September 2017, Blancaneaux made his Grand Slam debut, after receiving a wildcard to enter the main draw at the US Open.

2021: First Challenger title In December 2021, Blancaneaux won his first Challenger singles tournament at the Maia Challenger, defeating Tseng Chun-hsin in the finals.

2022-2024: French Open, Masters and top 150 debuts Seeded No. 190 at the 2022 French Open he qualified to make his Grand Slam debut at this Major on his sixth attempt. He reached the top 150 on 8 August 2022.

In October, Blancaneaux made his Masters debut, after receiving a wildcard to enter the qualifying draw at the 2022 Rolex Paris Masters. As a result, he reached a new career high ranking of No. 134 on 14 November 2022.

In May 2023, Blancaneaux reached his second final on the ATP Challenger Tour at the Tunis Open, losing to Sho Shimabukuro in the final.

In February 2024, Blancaneaux won his second Challenger title at the Delhi Open, defeating Coleman Wong in the final.

2025: Top 125 debut in doubles In February, Blancaneaux won his third Challenger title at the Brazzaville Challenger, defeating fellow countryman Calvin Hemery in the final. He also reached the final in the doubles tournament, partnering with Maxime Chazal, but lost in the final to top seeds Mateo Barreiros Reyes and Paulo Andre Saraiva Dos Santos. Blancaneaux reached three consecutive Challenger doubles finals by also reaching the final at the Rwanda Challenger and Rwanda Challenger II, both times partnering with Zdeněk Kolář.

Junior Grand Slam finals

Singles: 1 (1 title) ResultYearTournamentSurfaceOpponentScoreWin2016French OpenClay Félix Auger-Aliassime1–6, 6–3, 8–6

Performance timeline

Singles Tournament2016201720182019202020212022202320242025SRW–LWin%Grand Slam tournamentsAustralian OpenAAAAAAQ1Q1Q1A0 / 00–0French OpenQ2Q1Q2Q3Q1A1RQ3Q3Q30 / 10–1WimbledonAAAANHAQ1Q1AA0 / 00–0US OpenA1RAAAAQ3Q1A0 / 10–1Win–loss0–00–10–00–00–00–00–10–00–00–00 / 20–2

ATP Challenger and ITF Tour finals

Singles: 20 (16–4) LegendATP Challenger (3–1)ITF Futures (13–3)Finals by surfaceHard (7–2)Clay (9–2)Grass (0–0)Carpet (0–0)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Tunisia F13, HammametFuturesClay Cristian Carli4-6, 6–3, 6-0Loss1–1France F9, AngersFuturesClay Gleb Sakharov4-6, 4-6Win2–1France F14, Bourg-en-BresseFuturesClay Constant Lestienne3-6, 6–2, 7-5Win3–1Turkey F25, IstanbulFuturesClay Martin Cuevas7-5, 6-1Win4–1Turkey F26, IstanbulFuturesClay Bruno Sant'Anna6-7(8-10), 6–4, 6-2Loss4–2Tunisia F4, DjerbaFuturesHard Laurent Lokoli2–6, 1-6Win5–2Croatia F3, OpatijaFuturesClay Nino Serdarusic6-2, 3–6, 6-2Win6–2Tunisia F38, MonastirFuturesHard Ronan Joncour6-0, 6-1Win7–2South Africa F1, StellenboschFuturesHard Sebastian Prechtel6-4, 6-0Win8–2M15 Doha, QatarWorld Tennis TourHard Jacob Grills6-4, 6-1Win9–2M15 Tabarka, TunisiaWorld Tennis TourClay Nikolas Sanchez Izquierdo6-2, 7-5Win10–2M15 Tabarka, TunisiaWorld Tennis TourClay Orlando Luz7-6(7-3), 6-4Win11–2M15 Heraklion, GreeceWorld Tennis TourHard Yshai Oliel6-1, 6-2Loss11–3M25 Rancho Santa Fe, USAWorld Tennis TourHard Brandon Nakashima3–6, 3–6Win12–3M15 Cancun, MexicoWorld Tennis TourHard Maximiliano Estevez6-7(5-7), 6–3, 6-1Win13–3Maia, PortugalChallengerClay Tseng Chun-hsin3-6, 6–3, 6-2Win14–3M25 Santo Domingo, Dominican RepublicWorld Tennis TourHard Rinky Hijikata3-6, 6–2, 6-2Loss14–4Tunis, TunisiaChallengerClay Sho Shimabukuro4–6, 4–6Win15–4New Delhi, IndiaChallengerHard Coleman Wong6–4, 6–2Win16–4Brazzaville, Republic of CongoChallengerClay Calvin Hemery6–3, 6–4

Doubles: 21 (10 titles, 10 runner-ups, 1 non-complete) LegendATP Challenger (5–5)ITF Futures (5–5)Finals by surfaceHard (6–3)Clay (4–7)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0-1France F22, Saint-DizierFuturesHard Evan Furness Mick Lescure Hugo Nys2-6, 3-6Win1-1Hong Kong F6, Hong KongFuturesHard Takuto Niki Karan Rastogi Chun Hun Wong7-6(8-6), 6-0Loss1-2Tunisia F15, HammametFuturesClay Antoine Hoang Franco Agamenone Hernán Casanova5-7, 6–1, [5-10]Loss1-3Belgium F2, ArlonFuturesClay C De la Bassetiere Florian Lakat Arthur Rinderknech1-6, 6–4, [4-10]Win2-3Lyon, FranceChallengerClay Elliot Benchetrit Hsieh Cheng-peng Luca Margaroli6-3, 4–6, [10-7]Win3-3M15 Monastir, TunisiaWorld Tennis TourHard Arthur Rinderknech Marek Gengel Petr Nouza6-1, 6-4Win4-3M15 Doha, QatarWorld Tennis TourHard Zizou Bergs Arnaud Bovy Jesper De Jong6-2, 6-4Loss4-4M15 Tabarka, TunisiaWorld Tennis TourClay Clement Tabur Alexander Merino Christoph Negritu2-6, 2-6Win5-4M15 Monastir, TunisiaWorld Tennis TourHard Skander Mansouri Baptiste Crepatte Gabriel Petit6-0, 7-6(7-1)Loss5-5M15 Cancun, MexicoWorld Tennis TourHard Gabriel Petit Mateus Alves Igor Marcondes6-7(5-7), 5-7Loss5-6Liberec, Czech RepublicChallengerClay Maxime Janvier Roman Jebavy Igor Zelenay2-6, 7-6(8-6), [5-10]Win6-6M25 Cancun, MexicoWorld Tennis TourHard Michail Pervolarakis Boris Arias Federico Zeballos6-2, 4-6, [11-9]Win7-6Sanremo, ItalyChallengerClay Alexandre Müller Flavio Cobolli Matteo Gigante4–6, 6–3, [11–9]Win8-6Iasi, RomaniaChallengerClay Renzo Olivo Diego Hidalgo Cristian Rodriguez6-4, 2–6, [10–6]Win9–6Heilbronn, GermanyChallengerClay Romain Arneodo Jakob Schnaitter Mark Wallner7–6(7–5), 7–5, [10–3]Win10–6Saint-Brieuc, FranceChallengerHard (i) Gabriel Debru Jakub Paul Matěj Vocel3–3 [Def.]Loss10-7Koblenz, GermanyChallengerHard Joshua Paris Jakub Paul David Pel[Walkover]Loss10-8Brazzaville, Republic of CongoChallengerClay Maxime Chazal Mateo Barreiros Reyes Paulo Andre Saraiva Dos Santos4–6, 6–1, [6–10]Loss10-9Kigali, RwandaChallengerClay Zdeněk Kolář Jesper de Jong Max Houkes3–6, 5–7Loss10–10Kigali II, RwandaChallengerClay Zdeněk Kolář Alexander Donski Siddhant Banthia 4–6, 7–5, [8–10] Not completed10–10Zug, SwitzerlandChallengerClay Harold Mayot Nam Ji-sung Takeru Yuzukix–x, x–x

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