Question: Luka Belic (born 14 October 1988) is a former professional tennis player from Croatia who played mainly on the ATP Challenger Tour and ITF Futures. He reached his career-high singles ranking of 620 on May 18 2009.In 2006 ATP Umag he lost the 1st round match to future world number one tennis player Novak Djokovic 36 36. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Athlete