Question: Who has achieved a higher World Ranking (in either singles or doubles), Goran Ivanišević or Nenad Zimonjić?
Sentence (from "Nenad Zimonjić"): Nenad Zimonjić (Serbian Cyrillic: , ] ; born June 4, 1976) is a Serbian professional tennis player who was ranked World No. 1 in 2008 in doubles.
Relevant evidence: Yes