Ki Sung-Yueng is a 38-year-old professional football player from KOR. He currently plays for Pohang Steelers, wearing the number 40 shirt. He plays primarily as a Midfield. He stands at 189cm tall and weighs 79kg. His preferred foot is Right. His current market value is estimated at 400K €.

His most recent move was a Free from Football Club Seoul to Pohang Steelers on 2025-07-03.

Across 1 appearances in the Korean K League 1 2026, Ki Sung-Yueng registered 0 goals and 0 assists, while completing 0 key passes out of 29 total passes with a passing accuracy of 27.