Date of Birth: 
Place of Birth: Dalian, Liaoning, China
About Liu Siyu
- Liu Siyu (born 1 November 1995) is a Chinese tennis player. Liu has a career high ATP singles ranking of 906 achieved on 11 October 2014.
- He also has a career high ATP doubles ranking of 1076 achieved on 9 August 2014. Liu made his ATP main draw debut at the 2014 China Open in the doubles draw partnering Ning Yuqing.
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