Cheng Tsz Sum (; born 20 March 1999) is a Hong Kong professional footballer who plays as a left back or a left midfielder for Hong Kong Premier League club Southern.
Club career On 5 August 2017, Cheng was unveiled as part of Lee Man's inaugural squad.
On 31 July 2018, Cheng was named as one of Tai Po's summer signings.
On 1 July 2020, Eastern announced that Cheng would join the club.
On 6 September 2021, Cheng rejoined Rangers.
On 8 August 2022, Cheng returned to Tai Po.港超聯│大埔創會廿周年重返港超 李恆匯盼助球員踢入港隊 Sing Tao Daily 8 August 2022
On 29 July 2025, Cheng joined Rangers on loan for the 2025–26 season.港超聯 標準流浪借用大埔3子 on.cc 29 July 2025
On 16 June 2026, Cheng joined Southern.港超聯 冠忠南區宣布簽入鄭子森 on.cc 16 June 2026
Honours Club Tai Po Hong Kong Premier League: 2018–19, 2024–25
International Hong Kong Guangdong-Hong Kong Cup: 2019
References
External links
Cheng Tsz Sum at HKFA