The 2017–18 Copa Argentina (officially the Copa Total Argentina 2017–18 for sponsorship reasons) was the ninth edition of the Copa Argentina, and the seventh since the relaunch of the tournament in 2011. The competition began on 19 January 2018 and ended on 6 December 2018. Rosario Central defeated Gimnasia y Esgrima (LP) on penalties in the Final to win their first title. As champions, Rosario Central qualified for 2018 Supercopa Argentina and 2019 Copa Libertadores. River Plate, the defending champions, were eliminated by Gimnasia y Esgrima (LP) in the Semifinals. Teams One hundred teams took part in this competition: All teams from the Primera División (28); twelve teams of the Primera B Nacional; five from the Primera B, four from the Primera C; three from the Primera D; thirty-two teams from Federal A and sixteen from Federal B. First Level Primera División All twenty-eight teams qualified. Argentinos Juniors Arsenal Atlético Tucumán Banfield Belgrano Boca Juniors Chacarita Juniors Colón Defensa y Justicia Estudiantes (LP) Gimnasia y Esgrima (LP) Godoy Cruz Huracán Independiente Lanús Newell's Old Boys Olimpo Patronato Racing River Plate Rosario Central San Lorenzo San Martín (SJ) Talleres (C) Temperley Tigre Unión Vélez Sarsfield Second Level Primera B Nacional The best twelve teams at the 13th round of 2017-18 tournament qualified. Agropecuario Argentino Aldosivi Almagro Atlético de Rafaela Brown Deportivo Morón Gimnasia y Esgrima (J) Guillermo Brown Juventud Unida (G) Mitre (SdE) San Martín (T) Villa Dálmine Third Level Primera B Metropolitana The top-five teams at the 17th round of 2017-18 Primera B tournament qualified. Defensores de Belgrano Estudiantes (BA) Platense Tristán Suárez UAI Urquiza Torneo Federal A The first eight teams of each zone of the 2017–18 tournament qualified. Altos Hornos Zapla Alvarado Central Córdoba (SdE) Chaco For Ever Cipolletti Crucero del Norte Defensores (P) Deportivo Maipú Deportivo Roca Desamparados Douglas Haig Estudiantes (RC) Ferro Carril Oeste (GP) Gimnasia y Esgrima (CdU) Gimnasia y Esgrima (M) Gimnasia y Tiro Huracán Las Heras Independiente (N) Juventud Antoniana Rivadavia (L) San Jorge (T) San Lorenzo (A) Sansinena Sarmiento (R) Sportivo Belgrano Sportivo Las Parejas Sportivo Patria Unión (S) Unión (VK) Villa Mitre Fourth Level Primera C Metropolitana The top-four teams at the 19th round of 2017-18 Primera C tournament qualified. Central Córdoba (R) Defensores Unidos Luján Midland Torneo Federal B The top-four teams of each zone of the 2017-18 Federal B tournament qualified. Atlético Pellegrini Central Norte Deportivo Achirense Deportivo Camioneros