Kang Yun-sung is a 29-year-old professional football player from KOR. He currently plays for Daejeon Citizen, wearing the number 6 shirt. At the international level, he represents South Korea U21. He plays primarily as a Defender. He stands at 174cm tall and weighs 64kg. His preferred foot is Right. His current market value is estimated at 350K €.

His most recent move was a Free from Jeju SK FC to Daejeon Citizen on 2023-06-27.

Throughout the Korean K League 1 2026, Kang Yun-sung featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.