- 2n Prize at International Improvisation Contest in Strägnäs/Mariefred (Sweden) September 1991
(Jury: Bernard Bartelink, Anders Bondeman, Hans Haselböck) - 3rd Preis (split, 1st prize not awarded) in September 1992 at 10th Paul Hofhaimer Competition of the City of Innsbruck (Early organ music and improvisation).
(Jury: Luigi-Ferdinando Tagliavini, Jean-Claude Zehnder, Gustav Leonhardt, Herbert Tachezi, Michael Radulescu). - 1st Prize at 3rd Competition "Organ Improvisation within the Liturgy", arranged by the Directors of Church Music Institutes Conference, Speyer im Mai 1993.
(Jury: Matthias Kreuels, Egidius Doll, Bernard Bartelink, Wolfgang Bretschneider, Andreas Rothkopf). - 2nd Prize (doubled, 1st not awarded) at International Improvisation Conpetition "Europäische Kirchenmusik Schwäbisch Gmünd", June 1993.
(Jury: Albert de Klerk, Jaques Taddei, Hubert Beck). - 1st Prize at International Organ Improvisation Competition at Knokke-Heist (Belgium) im August 1993.
(Jury: Piet Kee, Wilhelm Precker, Peter Planyavsky, Nigel Allcoat, Kamiel d'Hooge). - 1st Prize at the 41st International ORgan Improvisation Competition of Haarlem (The Netherlands) July 1996.
(Jury: Bernard Bartelink, Loic Mallié, Wolfgang Hörlin, Lionel Rogg, Guus Janssen). - 1st Prize at International Organ Improvisation Competition "Grand Prix Maurice Duruflé" of Hamburg in October 1996.
(Jury: Peter Planyavsky, Patrick Delabre, Katrine Bryndorf, Uwe Röhl, Roland M. Stangier, Eberhard Lauer). - 1st Prize at International Organ Improvisation Competition “Wandlung der Formen/Change of Forms” July 1998 at Regensburg.
(Jury: Bertold Hummel, Franz Josef Stoiber, Rupert G. Frieberger, Genoveva Nitz, Helga von Loewenich). - 3rd Prize at International Organ Improvisation Competition “Anton Heiller”, November 1998, Vienna.
Jury: Guy Bovet, Michael Radulescu, Peter Planyavsky.)
- 2nd Prize (1st not awarded) at Composition Contest “Neue Musik für die Kirche” Hannover 1999 for “Begegnung mit Psalm 35”
- Culture Award of Carinthia State in 2002 in"music" category
- Karl-Bernhardin Kropf served as jury member at the competitions Wettbewerb “Orgelimprovisation im Gottesdienst” Limburg 2003, at the Young Musicians Competition of Ljubljana, Slovenia 2006, and the Improvisation Competition of Haarlem/NL 2006