Ki Sung-Yueng is a professional footballer from KOR and is currently 38 years old. He is on the books of Pohang Steelers and wears shirt number 40. His main role on the pitch is Midfield. He measures 189cm in height and weighs 79kg. His stronger foot is Right. His estimated market valuation currently stands at 375K €.

His latest transfer saw him join Pohang Steelers from Football Club Seoul via Free on 2025-07-03.

Over 1 appearances in the Korean K League 1 2026, Ki Sung-Yueng contributed 0 goals and 0 assists, completed 0 key passes from 29 total passes, and posted a passing accuracy of 27.