The home side had eased to a 21-15 half-time lead but were almost shocked by the visitors as they came back to within two points of victory.
Yet Medvedi held on, and will now travel to Germany on April 5 with a superb chance of earning a spot in the semi-finals.
Champions League
Loewen face uphill task against Kiel
26/04/2009 AT 20:02
Hamburg edged Flensburg in their quarter-final first leg on Wednesday, while on Sunday Zagreb play Kiel and Ciudad Real take on Veszprem in their quarter-final first legs.
Champions League
Big guns kept apart
07/04/2009 AT 09:31
Tokyo 2020
Incredible handball goals at the Olympics
08/04/2021 AT 12:47