Mikhail Youzhny Mikhail Mikhailovich Youzhny (born 25 June 1982), nicknamed "Misha" and "Colonel" by his fans, is a Russian former professional tennis player who was ranked inside the top 10 and was the Russian No. 1. He achieved a top-10 ranking by the Associ ...

was the defending champion but lost in the semifinals to top-seeded

Marin Čilić Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. He has been ranked world No. 3 in men's singles by the Association of Tennis Professionals (ATP), achieved on 28 January 2018. Čilić has won 21 ATP Tour-level si ...

.
Čilić went on to win the title by defeating

Jürgen Melzer Jürgen Melzer (born 22 May 1981) is an Austrian tennis coach and former professional tennis player. Melzer reached a career-high singles ranking of world No. 8 in April 2011, and a doubles ranking of world No. 6 in September 2010. He has a youn ...

6–3, 6–1 in the final.

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Dino Marcan Dino Marcan (born 12 February 1991 in Rijeka, Yugoslavia) is a Croatian professional tennis player. Dino mostly competes on the ATP Challenger Tour The ATP Challenger Tour (known until the end of 2008 as the ATP Challenger Series) is a ser ...

Matteo Viola Matteo Viola (; born 7 July 1987) is an Italian former professional tennis player. He competes mainly on the ATP Challenger Tour and ITF Futures The ITF Men's World Tennis Tour (formerly ''ITF Men's Circuit'') is a series of professional tenni ...

Draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:2013 PBZ Zagreb Indoors - Singles PBZ Zagreb Indoors - Singles

2013 Singles Thirteen or 13 may refer to: * 13 (number) * Any of the years 13 BC, AD 13, 1913, or 2013 Music Albums * ''13'' (Black Sabbath album), 2013 * ''13'' (Blur album), 1999 * ''13'' (Borgeous album), 2016 * ''13'' (Brian Setzer album), 2006 * ...

2013 PBZ Zagreb Indoors