Cheng Tsz-Sum is a 27-year-old professional football player from HKG. He currently plays for Biu Chun Rangers, wearing the number 99 shirt. He plays primarily as a Defender. He stands at 177cm tall and weighs 65kg. His current market value is estimated at 50K €.

His most recent move was a Loan from Biu Chun Rangers to Tai Po on 2026-06-30.

Throughout the Chinese Hong Kong Premier League 2025-2026, Cheng Tsz-Sum featured in 12 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.