San Martin Tucuman beat Boca Juniors 1-6. Boca Juniors played with ten from minute 24. Antonio Vidal González scored 3 goals.

1. 0'
   ⚽Kick-off
   Primera División 1988/89
   Referee: Luis Alfredo Pasturenzi.Attendance: 12,774
2. 1. First half
   2. 24'
      ARG
      Red card
      SISimón
   3. 26'
      ARG
      GOOOAL!JLJorge Orlando LópezPenalty
   4. 44'
      ARG
      GOOOAL!DUDante R. Unali
3. 1. Second half
   2. 47'
      ARG
      GOOOAL!AGAntonio Vidal González
   3. 57'
      ARG
      GOOOAL!AGAntonio Vidal González
   4. 64'
      ARG
      GOOOAL!AGAntonio Vidal González
   5. 79'
      ARG
      GOOOAL!WPWalter Perazzo
   6. 90'
      ARG
      GOOOAL!DUDante R. Unali