Has Sue Barker or Fabio Fognini been held the highest world ranking in tennis?
Sue Barker: Susan Barker, OBE (born 19 April 1956 in Paignton, Devon) is an English television presenter and former professional tennis player. Sue Barker:  She reached a career-high singles ranking of World No. 3. 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.
i don't know