Date of Birth: 
Place of Birth: Tuen Mun, Hong Kong, China
About Rex Tso
- Rex Tso Sing-yu (in Chinese): ???; born 15 July 1987) is a Hong Kong amateur boxer and former professional boxer.
- He has won several regional titles at super-flyweight and has been ranked in the world top 10 by the WBA, WBC, IBF, and WBO.
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