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Igor Zelenay (Slovak pronunciation: [ˈiɡɔr ˈzelenaj]; born 10 February 1982) is a Slovak professional tennis player. He is a doubles specialist who has won 1 ATP Tour title and finished runner-up at 4 other ATP 250 tournaments. He reached a career-high ranking of World No. 50 in July 2009. His career-high singles ranking is World No. 279, achieved in August 2005.