Gabriel Debru

Gabriel Debru (born 21 December 2005) is a French tennis 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.^[2]

In 2022, Debru won the French Open's boys single title.^[3] Later that year, he reached the finals of the Wimbledon's boys doubles title, playing along with Paul Inchauspé.

In May 2022, Debru made his debut at the French Open qualifying round, winning against Arthur Fils but then losing in the second round.

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, defeating Kenny de Schepper before falling to British Jan Choinski. At his second French Open qualifying appearance he lost in the first round to Dominican Nick Hardt.

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.

In July 2023, Debru won his first ITF title in Gubbio, 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 in Prague, as a qualifier, losing to Rudolf Molleker in the final.

In July, Debru won his maiden Challenger title in Troyes, 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, Joel Schwärzler, Debru and Learner Tien became the youngest champions of 2024 at that level.^[4][5]

In August, Debru won his second Challenger singles title in Como, defeating Ignacio Buse in the final.^[6] He became the third-youngest Frenchman to win multiple Challenger trophies (since 1978), joining former Top 10 players Richard Gasquet and Gael Monfils.^[7] In October, Debru won his maiden Challenger doubles title in Saint-Brieuc, partnering with Geoffrey Blancaneaux.^[8]

Debru announced he would join the University of Illinois in the 2025-25 school year where his brother Mathis already played.^[9]

• Gabriel Debru at the Association of Tennis Professionals
• Profile at ITF