From 1990 to 1992, he was the No 2 goalkeeper of the Hungarian national team behind Zsolt Petry under the Hungarian coach Kálmán Mészöly and Imre Jenei.
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Istvan recovered in two months, but lost his place to Jan Moons with whom Brockhauser had been challenging to be first keeper in Genk.
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He was member of the very successful and popular generation of the end of the 90's, amongst Branko Strupar, Souleymane Oulare, Thordur Ghudjonsson, Mike Origi, Domenico Olivieri, Wilfried Delbroek and others.
István Szabó | István Tarlós | Istvan Javorek | István Anhalt | Zoltan Istvan | Istvan Kantor | SMS Szent István | István Várdai | István Türr | István Tisza | István T. Horváth | István Thomán | István Szent-Iványi | István Mudin | István Lülik | István Kovacsóczy | István Gyenesei | István Geleji Katona | István Gaál | István Bujtor | István Bibó | István, a király |