Gabriel Debru (born 21 December 2005) is a French

tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...

player. He has a career-high ATP singles ranking of world No. 233, achieved on 17 March 2025 and a doubles ranking of No. 273, achieved on 4 November 2024.

Junior career

In 2022, Debru won the

French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...

's boys single title. Later that year, he reached the finals of the

Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...

's boys doubles title, playing along with Paul Inchauspé.

Professional career

2022: Grand Slam qualifying debut

In May 2022, Debru made his debut at the

qualifying round, winning against

Arthur Fils Arthur Fils (; born 12 June 2004) is a French professional tennis player. He has a career-high singles ATP rankings, ranking of world No. 14 by the Association of Tennis Professionals, ATP, achieved on 14 April 2025 and a doubles ranking of No. ...

but then losing in the second round.

2023: First ITF title, First Challenger final

He reached his first Challenger quarterfinal in his first tournament of the year, at the Oeiras Indoors. He reached another quarterfinal a month later at the Challenger La Manche in

Cherbourg Cherbourg is a former Communes of France, commune and Subprefectures in France, subprefecture located at the northern end of the Cotentin peninsula in the northwestern French departments of France, department of Manche. It was merged into the com ...

, defeating

Kenny de Schepper Kenny de Schepper (born 29 May 1987) is a French professional tennis player who competed on the ATP Challenger Tour. He has a career high ATP rankings of world No. 62 achieved in April 2014 in singles and No. 152 in doubles achieved in February ...

before falling to British

Jan Choinski Jan Choinski (; born 10 June 1996 in Germany) is a German-born Polish-British tennis player who competes mainly on the ATP Challenger Tour. Choinski has a career high ATP singles ranking of world No. 126, achieved on 21 August 2023. Since 2019, ...

. At his second French Open qualifying appearance he lost in the first round to Dominican

Nick Hardt Nick Hardt (born 20 September 2000) is a Dominican professional tennis player. He has a career high ATP singles ranking of world No. 180 achieved on 29 July 2024 and a doubles ranking of No. 282 achieved on 24 August 2023. He is currently the N ...

. At the Open Sopra Steria de Lyon Debru made it to his first Challenger semifinal having defeated former Top 20 Benoit Paire, however he then lost to

Alexander Ritschard Alexander Ritschard (born March 24, 1994) is a Swiss- American professional tennis player. He has a career-high ATP singles ranking of world No. 99, achieved on 30 September 2024 and a doubles ranking of No. 388, achieved on 4 April 2022. He is ...

. In July 2023, Debru won his first ITF title in

Gubbio Gubbio () is an Italian town and ''comune'' in the far northeastern part of the Italian province of Perugia (Umbria). It is located on the lowest slope of Mt. Ingino, a small mountain of the Apennine Mountains, Apennines. History Prehistory The ol ...

, Italy defeating Federico Arnaboldi in the final. He had reached the semifinals the year prior. In August 2023, Debru reached his first final on the

ATP Challenger Tour The ATP Challenger Tour (known until the end of 2008 as the ATP Challenger Series) is a series of international men's professional tennis tournaments. It was founded in 1976 as a replacement for the ILTF Satellite Circuit (founded in 1971) as ...

Prague Prague ( ; ) is the capital and List of cities and towns in the Czech Republic, largest city of the Czech Republic and the historical capital of Bohemia. Prague, located on the Vltava River, has a population of about 1.4 million, while its P ...

, as a qualifier, losing to

Rudolf Molleker Rudolf Molleker (born 26 October 2000) is a German tennis player. Molleker achieved a career high ATP singles ranking of world No. 146 on 29 July 2019 and a doubles ranking of world No. 376 on 21 March 2022. Personal information He was born in ...

in the final.

2024: Maiden Challenger titles, Top 250 debut

In July, Debru won his maiden Challenger title in

Troyes Troyes () is a Communes of France, commune and the capital of the Departments of France, department of Aube in the Grand Est region of north-central France. It is located on the Seine river about south-east of Paris. Troyes is situated within ...

, defeating third seed Timofey Skatov in the final. At 18 years and 6 months, he became the youngest French player to win a Challenger title since 2017. The only French players to win at a younger age were Richard Gasquet, Fabrice Santoro, Gael Monfils and Corentin Moutet.

João Fonseca João Fonseca may refer to: * João Fonseca (footballer) (born 1948), Portuguese football manager and former goalkeeper *João Fonseca (tennis) João Franca Guimarães Fonseca (; born 21 August 2006) is a Brazilians, Brazilian professional tenn ...

, Joel Schwärzler, Debru and

Learner Tien Learner Tien (born December 2, 2005) is an American professional tennis player. He has a career-high ATP singles ranking of world No. 66, achieved on March 17, 2025 and a doubles ranking of No. 722, achieved on February 3, 2025. Early life Tie ...

became the youngest champions of 2024 at that level. In August, Debru won his second Challenger singles title in

Como Como (, ; , or ; ) is a city and (municipality) in Lombardy, Italy. It is the administrative capital of the Province of Como. Nestled at the southwestern branch of the picturesque Lake Como, the city is a renowned tourist destination, ce ...

, defeating

Ignacio Buse Ignacio Buse (born 25 March 2004) is a Peruvian tennis player. He has a career high ATP singles ranking of world No. 152, achieved on 9 June 2025 and a doubles ranking of No. 439, achieved on 16 October 2023. He is currently the No. 1 player fro ...

in the final. He became the third-youngest Frenchman to win multiple Challenger trophies (since 1978), joining former Top 10 players Richard Gasquet and Gael Monfils. In October, Debru won his maiden Challenger doubles title in

Saint-Brieuc Saint-Brieuc (, Breton language, Breton: ''Sant-Brieg'' , Gallo language, Gallo: ''Saent-Berioec'') is a city in the Côtes-d'Armor Departments of France, department in Brittany (administrative region), Brittany in northwestern France. History ...

, partnering with

Geoffrey Blancaneaux Geoffrey Blancaneaux (born 8 August 1998) is a French professional tennis player who competes on the ATP Challenger Tour. He has a career-high Association of Tennis Professionals, ATP singles ranking of World No. 134 achieved on 14 November 2022 ...

ATP Challenger Tour finals

Singles: 3 (2 titles, 1 runner-up)

Doubles: 1 (1 title)

ITF World Tennis Tour finals

Singles: 3 (3 titles)

Doubles: 4 (2 titles, 2 runner-ups)

Grand Slam performance timeline

Singles

Junior Grand Slam finals

Singles: 1 (1 title)

Doubles: 1 (1 runner-up)

References

External links

*
Profile at ITF
{{DEFAULTSORT:Debru, Gabriel 2005 births Living people Sportspeople from Grenoble French male tennis players French Open junior champions Grand Slam (tennis) champions in boys' singles 21st-century French sportsmen