Platense beat Deportivo Mandiyú 1-2. Deportivo Mandiyú played with ten from minute 28. Alejandro G. Nannini scored 2 goals.

1. 0'
   ⚽Kick-off
   Primera División 1990/91
   Referee: Gnecco📍 Huracán CorrientesAttendance: 2,485
2. 1. First half
   2. 21'
      ARG
      GOOOAL!ANAlejandro G. Nannini
   3. 28'
      ARG
      Red card
      VEVega
   4. 28'
      ARG
      Red card
      IVIvanovic
   5. 39'
      ARG
      GOOOAL!ANAlejandro G. NanniniPenalty
3. 1. Second half
   2. 90'
      ARG
      GOOOAL!LELeón