| 1990/91
FIRST ROUND
Second Game
Flag of Northern Ireland PORTADOWN F.C. 1-8 F.C. PORTO Flag of Portugal
  PORTADOWN F.C.   F.C. PORTO  
 
03-10-1990; Portadown; 19:30; Shamrock Park; Att: 5.000
PORTADOWN F.C. (NIR) - F.C. PORTO (POR)
1-8 (1-4)
 
Referee: Sveinn Sveinsson (ISL)
Assistants: Guðmundur Haraldsson (ISL), Bragi Bergmann (ISL)

Goals
  0-1 9' Rabah Madjer
  0-2 15' Rabah Madjer
  0-3 33' Rabah Madjer
Sandy Fraser 1-3 36'  
  1-4 40' José Orlando Vinha Rocha SEMEDO
  1-5 50' Stéphane Paille
  1-6 55' Rabah Madjer
  1-7 68' JORGE António Pinto COUTO
  1-8 79' Stéphane Paille
Lineups
Mickey Keenan VÍTOR Manuel Martins BAÍA
Philip Major JOÃO Domingos da Silva PINTO
Ian Curliss Cláudio Ibraim Vaz Leal BRANCO
Kevin McKeever 75' ALOÍSIO Pires Alves
Brian Strain Geraldo Dutra Pereira GERALDÃO
Alfie Stewart Alcides Rodrigues Tavares KIKI
Paul Doolin JORGE António Pinto COUTO
Roy McCreadie Rabah Madjer
Sandy Fraser Stéphane Paille
Steven Cowan 33' José Orlando Vinha Rocha SEMEDO 71'
Joey Cinningham António dos Santos Ferreira ANDRÉ 71'
Substitutes
Greg Davidson 75' FERNANDO Manuel Silva COUTO 71'
Marty Magee 33' JAIME Fernandes MAGALHÃES 71'
Managers
Ronald Joseph McFall ARTUR JORGE Braga Melo Teixeira