The 17-year-old defender will officially join the London club in 2026, with his contract set to run until 2032.
Transfer expert Fabrizio Romano confirmed the move in a post via X.
With all necessary paperwork in place, Evangelista is expected to sign his contract soon, securing a long-term commitment to the Premier League side.
The teenager’s move aligns with Chelsea’s recent strategy of investing in young talents from South America, following similar acquisitions in recent transfer windows.
His arrival in 2026 is expected to provide Chelsea with another defensive option as they continue building for the future.