Who achieved a higher doubles ranking Ivan Dodig or Donald Johnson?
Ivan Dodig: Ivan Dodig (born 2 January 1985) is a Croatian tennis player. Ivan Dodig:  His career-high ATP rankings are world No. 29 in singles and world No. 4 in doubles. Donald Johnson: Donald James "Don" Johnson (born September 9, 1968) is a former professional tennis player from the United States who reached the World No. 1 doubles ranking in 2002.
Donald James "Don" Johnson