Chan Kun-Sun is a 22-year-old professional football player from HKG. He currently plays for Biu Chun Rangers, wearing the number 13 shirt. At the international level, he represents Hong Kong U23. He plays primarily as a Goalkeeper. He stands at 183cm tall and weighs 71kg. His current market value is estimated at 25K €.

His most recent move was a Loan from Central & Western District RSA to Biu Chun Rangers on 2023-07-10.

In the Chinese Hong Kong Premier League 2025-2026, Chan Kun-Sun played 14 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.