Unión and Gimnasia de La Plata drew 1-1. Gimnasia de La Plata played with ten from minute 33.

1. 0'
   ⚽Kick-off
   Primera División 1989/90
   Referee: CrespiAttendance: 2,568
2. 1. First half
   2. 33'
      ARG
      Red card
      DODopazo
   3. 35'
      ARG
      Red card
      ESEduardo Roberto Sánchez
3. 1. Second half
   2. 58'
      ARG
      GOOOAL!RMRolando F. Mannarino
   3. 64'
      ARG
      GOOOAL!GEGustavo P. Echaniz