Patronato beat Olimpo Bahia Blanca 1-0. The winner had to work for it: 1 from 19 shots. Best on the pitch was Bruno Urribarri, rated 7.9.

1. 0'
   ⚽Kick-off
   Superliga 2017-18
   ARG 4-4-2·4-1-4-1 ARG
   Coach: J. Pumpido · R. ForestelloReferee: Silvio Trucco, Argentina📍 Estadio Presbitero Bartolome Grella
2. 1. First half
   2. 10'
      ARG
      Yellow card
      D. Lemos
   3. 16'
      ARG
      Yellow card
      Jonathan Blanco
   4. 32'
      ARG
      Yellow card
      L. Villarruel
   5. 37'
      ARG
      Substitution
      ▲M. Rosales▼C. Villanueva
3. 1. Second half
   2. 46'
      ARG
      Substitution
      ▲M. Guzmán▼A. Peralta
   3. 63'
      ARG
      Substitution
      ▲M. Carrasco▼A. Balboa
   4. 63'
      ARG
      Substitution
      ▲L. Mancinelli▼M. Fornari
   5. 74'
      ARG
      Substitution
      ▲T. Costa▼Jonathan Blanco
   6. 78'
      ARG
      GOOOAL!S. RibasAssist: M. Carrasco
   7. 88'
      ARG
      Yellow card
      F. Bellocq
   8. 90'
      ARG
      Yellow card
      S. Ribas
   9. 90+1'
      ARG
      Substitution
      ▲G. Di Renzo▼B. Cáceres