Sung-jun Yoon is a 19-year-old professional football player from JPN. He currently plays for Kyoto Sanga, wearing the number 25 shirt. He plays primarily as a Midfield. He stands at 170cm tall and weighs 67kg. His current market value is estimated at 50K .

His most recent move was a from Kyoto Sanga U18 to Kyoto Sanga on 2025-08-01.

Across 2 appearances in the Japanese J1 League 2026, Sung-jun Yoon registered 0 goals and 0 assists, while completing 0 key passes out of 42 total passes with a passing accuracy of 17.5.