Who achieved a higher ranking in professional tennis,  Zheng Jie and Jonas Björkman?
Zheng Jie Zheng Jie (born 5 July 1983) is a Chinese professional tennis player. Her career-high singles ranking is World No. 15 which she achieved on 18 May 2009.
Mathieu Rodrigues Mathieu Rodrigues (born 7 November 1985) is a French professional tennis player. He competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles. He reached his highest ATP singles ranking, No. 221 on 24 October 2011, and his highest ATP doubles ranking, No. 549, on 3 October 2011.