Benkö was in charge of the final of the UEFA Cup Winners' Cup 1998-99, on May 19, 1999 in Villa Park, Birmingham, between S.S. Lazio and RCD Mallorca.
Benkö var ansvarlig for finalen i UEFA Pokalvindernes Turnering i 1998-99 den 19. maj 1999 i Villa Park, Birmingham, mellem S.S. Lazio og RCD Mallorca.