Who had the highest singles ranking Tomáš Šmíd or Ross Case?
Tomáš Šmíd: Tomáš Šmíd (born May 20, 1956 in Plzeň) is a former tennis player from Czechoslovakia, who won nine singles titles during his career. Tomáš Šmíd:  The right-hander reached his highest ATP singles ranking of World No. 11 in July 1984. Ross Case: Ross Case (born 1 November 1951) is an Australian former tennis player. Ross Case:  His career-high singles ranking was world no. 14.
Tomáš Šmíd