Which tennis player ranked higher in singles, Fabio Fognini or Marty Riessen?
Fabio Fognini: Fabio Fognini (] ; born 24 May 1987) is an Italian professional tennis player who is currently ranked world No. 29 in men's singles by the Association of Tennis Professionals (ATP) and the current Italian No. 1. Marty Riessen: Marty Riessen (born December 4, 1941) played amateur and professional tennis in the 1960s and 1970s.
i don't know