2017–18 Copa del Rey
The 2017–18 Copa del Rey was the 116th staging of the Copa del Rey. The winners were assured a place for the 2018–19 UEFA Europa League group stage.
Barcelona were the three-time defending champions, and successfully defended their title following a 5–0 win over Sevilla in the final. Times up to 28 October 2017 and from 25 March 2018 are CEST. Times from 29 October 2017 to 24 March 2018 are CET.
Schedule and format
| Round | Draw date | Date | Fixtures | No. of Clubs | Format details |
| First Round | 30 August 2017 | 18 | 83 → 65 | New entries: Clubs participating in Tercera and Segunda División B gained entry. Byes: Seven teams from Segunda División B received a bye. Opponents seeding: Teams faced each other according to proximity criteria. Local team seeding: Draw of lots. Knock-out tournament type: Single match Copa Federación qualification: losers qualified for 2017–18 Copa Federación, National phase. | |
| #Second round| | 6 September 2017 | 22 | 65 → 43 | New entries: Clubs participating in Segunda División gained entry. Byes: One Segunda División B team received a bye. Opponents seeding: Segunda División teams faced each other. Local team seeding: Draw of lots. Knock-out tournament type: Single match | |
| Third round | 8 September 2017 | 20 September 2017 | 11 | 43 → 32 | Byes: One team from Segunda División B or Tercera División which previously did not receive a bye, received one. Opponents seeding: Segunda División teams faced each other. Local team seeding: Draw of lots. Knock-out tournament type: Single match |
| [|Round of 32] | 28 September 2017 | 25 October 2017 | 16 | 32 → 16 | New entries: Clubs participating in La Liga gained entry. Opponents seeding: The seven teams from La Liga which qualified for 2017–18 UEFA competitions, faced the remaining seven teams from Segunda División B and Tercera División. The five Segunda División teams played against La Liga teams. The eight remaining La Liga teams faced each other. Local team seeding: First leg at home of team in lower division. Knock-out tournament type: Double match |
| Round of 32 | 28 September 2017 | 16 | 32 → 16 | New entries: Clubs participating in La Liga gained entry. Opponents seeding: The seven teams from La Liga which qualified for 2017–18 UEFA competitions, faced the remaining seven teams from Segunda División B and Tercera División. The five Segunda División teams played against La Liga teams. The eight remaining La Liga teams faced each other. Local team seeding: First leg at home of team in lower division. Knock-out tournament type: Double match | |
| [|Round of 16] | 5 December 2017 | 3 January 2018 | 8 | 16 → 8 | Opponents seeding: Draw of lots. Local team seeding: First leg at home of the team in the lower division. Knock-out tournament type: Double match |
| Round of 16 | 5 December 2017 | 10 January 2018 | 8 | 16 → 8 | Opponents seeding: Draw of lots. Local team seeding: First leg at home of the team in the lower division. Knock-out tournament type: Double match |
| Quarter-finals | 12 January 2018 | 17 January 2018 | 4 | 8 → 4 | Opponents seeding: Draw of lots. Local team seeding: Luck of the draw. Knock-out tournament type: Double match |
| Quarter-finals | 12 January 2018 | 24 January 2018 | 4 | 8 → 4 | Opponents seeding: Draw of lots. Local team seeding: Luck of the draw. Knock-out tournament type: Double match |
| Semi-finals | 26 January 2018 | 31 January 2018 | 2 | 4 → 2 | Opponents seeding: Draw of lots. Local team seeding: Luck of the draw. Knock-out tournament type: Double match |
| Semi-finals | 26 January 2018 | 7 February 2018 | 2 | 4 → 2 | Opponents seeding: Draw of lots. Local team seeding: Luck of the draw. Knock-out tournament type: Double match |
| Final | 26 January 2018 | 21 April 2018 | 1 | 2 → 1 | Single match, stadium TBD by RFEF. UEFA Europa League qualification: winner will qualify for the 2018–19 UEFA Europa League Group stage. |
;Notes
- Double-match rounds enforce away goals rule, single-match rounds do not.
- Games ending in a tie will be decided in extra time; and if it persists, by a penalty shootout.
Qualified teams
First round
The draw for the first and the second round was held on 28 July 2017 at 13:00 CEST in La Ciudad del Fútbol, RFEF headquarters, in Las Rozas, Madrid. In this round, 32 teams from 2016–17 Segunda División B and 10 from 2016–17 Tercera División teams gained entry. In the draw, firstly six teams from Segunda División B received a bye and then, the remaining teams this league and teams from Tercera División faced according to proximity criteria by next groups:- Atlético Baleares, Racing Ferrol, Hércules, Alcoyano, Fuenlabrada, Mallorca, and Mérida received a bye to the second round.
Second round
Third round
received a bye for the round of 32.Final phase
The draw for the Round of 32 was held on 28 September 2017, in La Ciudad del Fútbol, Las Rozas de Madrid. In this round, all La Liga teams entered the competition.Round of 32 pairings were as follows: the seven remaining teams participating in the 2016–17 Segunda División B and Tercera División faced the 2017–18 La Liga teams which qualified for European competitions. The five remaining teams participating in Segunda División faced five La Liga teams which did not qualify for European competitions. The remaining eight La Liga teams faced each other. In matches involving teams from different league tiers, the team in the lower tier played the first leg at home. This rule will also be applied in the Round of 16, but not for the Quarter-finals and Semi-finals, in which the order of legs will be based on the luck of the draw.
| Pot 1 Segunda B and Tercera División | Pot 2 European competitions | Pot 3 Segunda División | Pot 4 Rest of Primera División |
| Cartagena Elche Formentera Fuenlabrada Lleida Esportiu Murcia Ponferradina | Champions League: Atlético Madrid Barcelona Real Madrid Sevilla Europa League: Athletic Bilbao Real Sociedad Villarreal | Cádiz Numancia Tenerife Valladolid Zaragoza | Alavés Celta Deportivo La Coruña Eibar Espanyol Getafe Girona Las Palmas Leganés Levante Málaga Real Betis Valencia |