Newell's Old Boys beat Lanús 1-2. Lanús controlled the ball — 61% possession — but had nothing to show for it. N. Castro scored 2 goals. Best on the pitch was N. Castro, rated 8.3.

1. 0'
   ⚽Kick-off
   Torneo 2021
   ARG 4-4-2·4-2-3-1 ARG
   Coach: L. Zubeldía · F. GamboaReferee: F. Espinoza📍 Estadio Ciudad de Lanús - Néstor Díaz Pérez
2. 1. First half
   2. 12'
      ARG
      GOOOAL!N. CastroAssist: M. Comba
   3. 29'
      ARG
      GOOOAL!N. CastroAssist: G. Compagnucci
   4. 38'
      ARG
      GOOOAL!José Manuel LópezAssist: Á. Gonzalez
3. 1. Second half
   2. 53'
      ARG
      Yellow card
      Julián Fernández
   3. 57'
      ARG
      Substitution
      ▲Justo Giani▼R. Sordo
   4. 60'
      ARG
      Substitution
      ▲M. Esquivel▼F. Pérez
   5. 63'
      ARG
      Yellow card
      A. Aguerre
   6. 65'
      ARG
      Yellow card
      A. Bernabei
   7. 68'
      ARG
      Substitution
      ▲I. Malcorra▼Á. Gonzalez
   8. 68'
      ARG
      Substitution
      ▲P. De la Vega▼Lautaro Acosta
   9. 82'
      ARG
      Yellow card
      N. Castro
   10. 82'
       ARG
       Substitution
       ▲J. Cacciabue▼M. Comba
   11. 82'
       ARG
       Substitution
       ▲J. Cristaldo▼N. Castro
   12. 86'
       ARG
       Substitution
       ▲G. Balzi▼Julián Fernández
   13. 87'
       ARG
       Yellow card
       M. Bíttolo
   14. 90+2'
       ARG
       Yellow card
       G. Compagnucci