Igor Zelenay (born 10 February 1982) is a professional Slovakian tennis player. He is a doubles specialist, finishing runner-up in 3 ATP 250 tournaments and reaching a career-high ranking of World No. 50 in July 2009. His career-high singles ranking is World No. 279, achieved in August 2005.
To date, his most lucrative result was at the 2010 Delray Beach International Tennis Championships. He and his partner Philipp Marx reached the final, losing to the Bryan Brothers.
Won tournament; reached the Finals; Semifinals; Quarterfinals; Rounds 4, 3, 2, 1; competed at a Round Robin stage; reached a Qualification Round; absent from tournament event; played in a Davis Cup or Fed Cup Zonal Group (with its number indication) or Play-off; won a Bronze, Silver (F or S) or Gold medal at the Olympics; a downgraded Masters Series/1000 tournament (Not a Masters Series); or a tournament that was Not Held in a given year.
To avoid confusion and double counting, these charts are updated either at the conclusion of a tournament, or when the player's participation in the tournament has ended.