Unión beat San Lorenzo 4-0. San Lorenzo controlled the ball — 64% possession — but had nothing to show for it. Best on the pitch was E. Canete, rated 8.0.

1. 0'
   ⚽Kick-off
   Torneo 2021
   ARG 3-4-3·4-2-3-1 ARG
   Coach: J. Azconzábal · J. CarottiReferee: D. Herrera📍 Estadio 15 de Abril
2. 1. First half
   2. 21'
      ARG
      Own goalF. Gattoni
   3. 38'
      ARG
      Yellow card
      F. Gattoni
   4. 43'
      ARG
      GOOOAL!F. MárquezAssist: F. Vera
   5. 45'
      ARG
      GOOOAL!L. EsquivelAssist: E. Cañete
3. 1. Second half
   2. 46'
      ARG
      Substitution
      ▲F. Flores▼A. Donatti
   3. 55'
      ARG
      Yellow card
      C. Corvalan
   4. 57'
      ARG
      Substitution
      ▲E. Roldan▼D. Juárez
   5. 57'
      ARG
      Substitution
      ▲J. Garcia▼F. Márquez
   6. 58'
      ARG
      Substitution
      ▲M. Peralta▼A. Diaz
   7. 69'
      ARG
      Substitution
      ▲A. Sabella▼Néstor Ortigoza
   8. 69'
      ARG
      Substitution
      ▲F. Galvan▼Julián Palacios
   9. 77'
      ARG
      Substitution
      ▲Emanuel Brítez▼F. Vera
   10. 77'
       ARG
       Substitution
       ▲D. Gissi▼M. Pitton
   11. 84'
       ARG
       Substitution
       ▲C. Insaurralde▼K. Zenon
   12. 84'
       ARG
       GOOOAL!C. InsaurraldeAssist: J. García