Newell's Old Boys beat Unión 1-0. The winner had to work for it: 1 from 13 shots. Best on the pitch was F. Calderón, rated 8.2.

1. 0'
   ⚽Kick-off
   Torneo 2021
   ARG 4-4-2·4-4-2 ARG
   Coach: A. Taffarel · G. MunúaReferee: L. Rey Hilfer📍 Estadio Marcelo Alberto Bielsa
2. 1. Second half
   2. 50'
      ARG
      GOOOAL!Pablo Pérez
   3. 58'
      ARG
      Substitution
      ▲G. Balzi▼M. Comba
   4. 58'
      ARG
      Substitution
      ▲J. Garro▼R. Bravo
   5. 61'
      ARG
      Substitution
      ▲F. Vera▼B. Blasi
   6. 61'
      ARG
      Substitution
      ▲K. Zenon▼I. Machuca
   7. 61'
      ARG
      Substitution
      ▲J. Garcia▼F. Márquez
   8. 64'
      ARG
      Substitution
      ▲Julián Fernández▼Pablo Pérez
   9. 68'
      ARG
      Substitution
      ▲L. Esquivel▼J. Portillo
   10. 71'
       ARG
       Substitution
       ▲M. Luciano▼F. Gonzalez
   11. 72'
       ARG
       Substitution
       ▲Maximiliano Rodríguez▼I. Scocco
   12. 80'
       ARG
       Substitution
       ▲N. Blandi▼J. Nardoni
   13. 90'
       ARG
       Yellow card
       L. Esquivel