Between the ages of seven and thirteen he trained at the Alain Barrère academy in Pontet, before joining the Ligue de Provence.

At the 2023 Wimbledon Championships he lost to Henry Searle in the third round of the singles, but reached the semifinals of the boys' doubles.

[7] In May, Géa made his debut at the French Open qualifying rounds after receiving a Wild Card for the event.

[8] Coached by Tarik Benhabiles and Jérôme Pottier,[9] Géa made a successful start to his pro-career when he reached his first ITF Tour final in Heraklion in November 2023 where he lost to Guy den Ouden.

The following week at the same venue he won his first senior title on the ITF Tour with a three sets victory over Cezar Crețu.

He lost to fellow qualifier Hugo Grenier in the first round of the main draw, but still entered the top 300 as a result.