Gassimou Sylla is a professional footballer from GUI and is currently 17 years old. He is on the books of RSCA Futures and wears shirt number 57. His main role on the pitch is Forward. His estimated market valuation currently stands at 200K .

His latest transfer saw him join RSCA Futures from RSC Anderlecht U18 via on 2024-06-30.

During the Belgian Challenger Pro League 2025-2026 campaign, Gassimou Sylla made 15 appearances, scoring 1 goals and adding 0 assists. He averaged 0.1 goals per match from 10 shots, with 4 on target.