Bob Hewitt and Peng Shuai, are professional ?
Bob Hewitt Robert Anthony John Hewitt (born 12 January 1940) is a former professional tennis player from Australia. In 1967, after marrying a South African, he became a South African citizen. He has won 15 major titles and a career Grand Slam in both men's and mixed doubles.
Wilson Zhang Wilson Zhang (also Zhang Peng, ; born 23 September 1979 in Anda, Heilongjiang, People's Republic of China) is a Canadian table tennis player of Chinese origin. As of January 2010, Zhang is ranked no. 140 in the world by the International Table Tennis Federation (ITTF). He is right-handed, and uses the shakehand grip.