Sun Dongxu is a professional footballer from CHN and is currently 20 years old. He is on the books of Tianjin Jinmen Tiger U20 and wears shirt number 83. His main role on the pitch is Defender.

Across the Chinese Football Assorciation U-20 League 2025, Sun Dongxu appeared in 7 matches and averaged 0.1 tackles, 0.3 interceptions, 0.4 clearances, and 0 blocked shots per game.