Croatian home favourite Ivan Ljubicic crashed out of the Zagreb Indoors after falling 6-4 6-4 in his second round match against Germany's world number 105 Michael Berrer.

Austrian qualifier Jurgen Melzer will play Berrer in the quarter-finals after defeating Italian fifth seed Andreas Seppi 6-2 6-3. Melzer, who needed just over an hour to progress, saved all but one of six break points against him.

Seventh seed Robin Haase beat Matthias Bachinger 7-6 (7/4) 3-6 6-3 while in first round action there were wins for Dudi Sela, Guillermo Garcia-Lopez, Grega Zemlja and fourth seed Ivan Dodig.