Si Hou-In is a professional footballer from MAC and is currently 22 years old. He is on the books of Eastern District and wears shirt number 24. At international level, he features for Macau of China. His main role on the pitch is Midfield.

Over 2 appearances in the AFC Asian Cup 2027, Si Hou-In contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.