Unión and Boca Juniors drew 1-1. Best on the pitch was J. Campuzano, rated 7.9.

1. 0'
   ⚽Kick-off
   Torneo 2021
   ARG 5-3-2·4-4-2 ARG
   Coach: J. Azconzábal · M. RussoReferee: N. Lamolina📍 Estadio 15 de Abril
2. 1. First half
   2. 10'
      ARG
      GOOOAL!A. ObandoAssist: J. Campuzano
   3. 20'
      ARG
      Yellow card
      N. Cordero
   4. 36'
      ARG
      Yellow card
      J. Garcia
   5. 42'
      ARG
      Yellow card
      Emanuel Brítez
   6. 42'
      ARG
      Yellow card
      N. Orsini
   7. 43'
      ARG
      Yellow card
      J. Portillo
3. 1. Second half
   2. 63'
      ARG
      Substitution
      ▲I. Machuca▼J. Nardoni
   3. 63'
      ARG
      Substitution
      ▲M. Weigandt▼A. Molinas
   4. 64'
      ARG
      Substitution
      ▲C. Pavón▼N. Orsini
   5. 64'
      ARG
      Substitution
      ▲C. Medina▼A. Varela
   6. 70'
      ARG
      Substitution
      ▲Esteban Rolón▼A. Obando
   7. 73'
      ARG
      Substitution
      ▲F. Márquez▼J. Garcia
   8. 74'
      ARG
      Substitution
      ▲G. Gonzalez▼C. Corvalan
   9. 75'
      ARG
      Yellow card
      J. Campuzano
   10. 81'
       ARG
       GOOOAL!F. MárquezAssist: I. Machuca
   11. 82'
       ARG
       Substitution
       ▲Agustín Sández▼Valentín Barco
   12. 83'
       ARG
       Yellow card
       M. Weigandt
   13. 88'
       ARG
       Substitution
       ▲M. Pitton▼F. Vera
   14. 88'
       ARG
       Substitution
       ▲B. Blasi▼E. Canete