Platense knocked San Martín (SJ) out on penalties 4-3, after a 0-0 draw.

1. 0'
   ⚽Kick-off
   Copa Argentina 2026
   Coach: Walter Zunino · Ariel MartosReferee: B. Amiconi📍 Estadio Nuevo Francisco Urbano
2. 1. First half
   2. 14'
      ARG
      Yellow card
      N. Iachetti
   3. 22'
      ARG
      Substitution
      ▲M. Tucker▼K. Retamar
   4. 37'
      ARG
      Yellow card
      G. Acosta
   5. 40'
      ARG
      Yellow card
      C. Lattanzio
3. 1. Second half
   2. 59'
      ARG
      Substitution
      ▲N. Acosta▼C. Lattanzio
   3. 60'
      ARG
      Substitution
      ▲S. Gonzalez▼R. Rumbolo
   4. 61'
      ARG
      Yellow card
      L. Monje
   5. 63'
      ARG
      Yellow card
      M. Mendia
   6. 73'
      ARG
      Substitution
      ▲G. Lencina▼B. Merlini
   7. 73'
      ARG
      Substitution
      ▲F. Zapiola▼?
   8. 73'
      ARG
      Substitution
      ▲H. Zuliani▼G. Lucero
   9. 73'
      ARG
      Substitution
      ▲L. Aguero▼N. Iachetti
   10. 76'
       ARG
       Substitution
       ▲N. Funez▼G. Rossi
   11. 81'
       ARG
       Substitution
       ▲Guido Mainero▼L. Heredia
   12. 81'
       ARG
       Substitution
       ▲H. Bobadilla▼J. Gauto