Yes Zhang Yu and Liu are contemporary players. Zhang Benyu, male, formerly known as Zhang Yu, is the father and coach of Japanese table tennis player Zhang Benzhihe. Liu, born in fengqiu county, Xinxiang City, Henan Province, June1976+1October 10, China table tennis player, world champion and Olympic champion. He used to be the head coach of China Table Tennis Team, and now he is the executive vice president of the International Table Tennis Federation, the president of China Table Tennis Association, the president of WTT World Table Tennis Federation and the first vice president of ITTF.