Born in December 2005 in Grenoble, France, Gabriel Debru is a tennis player on the ATP circuit. In July 2022, Gabriel climbed the ITF rankings to the number 1 ranking in the world as a junior with his singles title at the Roland Garros junior tournament.

 

A few weeks later, Gabriel announced that he would now focus exclusively on the professional circuit. In July 2023, he claimed his first professional title on the ITF World Tennis Tour at M15 Gubbio.