Racing beat Unión 0-1. Unión played with ten from minute 40.

1. 0'
   ⚽Kick-off
   Primera División 1989/90
   Referee: JácomeAttendance: 4,212
2. 1. First half
   2. 40'
      ARG
      Red card
      CGC. González
   3. 40'
      ARG
      Red card
      MÍMíguez
3. 1. Second half
   2. 83'
      ARG
      GOOOAL!FLFernando F. Lanzidei