At 14, Wembanyama began an important transition, leaving home to live in the Nanterre team dormitory. The move allowed him to immerse himself in a dedicated training environment while attending a nearby high school. His dedication and commitment began to pay off in 2019 when, at just 15 years old, he made his professional debut with the Nanterre senior team in the EuroCup, where they won a silver medal. The following year, at the age of 16, playing for Nanterre's U18 team, Wembanyama made a notable impact on both ends of the court at the Adidas Next Generation Euroleague Basketball tournament, contributing to his team's second-place finish . During the 2021-22 season, Wembanyama left Nanterre to join ASVEL Basket, a team owned by former NBA star Tony Parker, competing in the top-tier French men's Pro A League. His exceptional skills and performances attracted attention on the international stage during the FIBA ​​U19 World Cup in 2021, where he represented the French tea