River Plate beat Gimnasia de La Plata 4-1. Pedro Lago scored 2 goals.

1. 0'
   ⚽Kick-off
   Primera División 1931 (LAF)
   Referee: Gerónimo RepossiAttendance: 5,300
2. 1. First half
   2. 8'
      ARG
      GOOOAL!PMPedro Marassi
   3. 18'
      ARG
      GOOOAL!ANArturo Naón
3. 1. Second half
   2. 46'
      ARG
      GOOOAL!CPCarlos Desiderio Peucelle
   3. 57'
      ARG
      GOOOAL!PLPedro Lago
   4. 73'
      ARG
      GOOOAL!PLPedro Lago