The 2017–18 Rock Cup was a single-leg knockout tournament played by clubs from Gibraltar. This season's version of the Rock Cup was sponsored by Gibtelecom, and is known as the Gibtelecom Rock Cup for sponsorship purposes.^[1] This season's edition was held throughout the season for the first time since 2011–12.

The winner of this competition, Europa, qualified for the 2018–19 Europa League. As they had also qualified for European competition via the 2017–18 Gibraltar Premier Division, the third place team in the league will take the spot in the Europa League.

The First Round draw was held 26 October 2017 and the matches will be played 26–28 November 2017.^[2] All teams participating in the first round are from the Gibraltar Second Division. Leo, Hound Dogs and Olympique 13 received byes to the Second Round.

College 1975 (2) v Europa Point (2)

26 November 2017	College 1975 (2)	1–3	Europa Point (2)	Gibraltar
16:30	Cruz 78'	Report	Edwards-Wilks 32' Lopez Blazquez 52' Postigo 89'	Stadium: Victoria Stadium Referee: Denis Perez

Boca Gibraltar (2) v Cannons (2)

27 November 2017	Boca Gibraltar (2)	0–2	Cannons (2)	Gibraltar
20:30		Report	Jimenez Falcon 9' J. Rivas 39'	Stadium: Victoria Stadium Referee: Abdul El Yettefti

Bruno's Magpies (2) v Angels (2)

28 November 2017	Bruno's Magpies (2)	3–1	Angels (2)	Gibraltar
18:15	Cuesta 17', 75' Price-Placid 35'	Report	Martos 38'	Stadium: Victoria Stadium Referee: Alvaro Delgado

The draw for the Second Round took place on 13 December 2017, with games to be played 6–27 February 2018.^[3] All Gibraltar Premier Division teams enter at this stage, along with the three Gibraltar Second Division teams to receive byes from the first round.

Mons Calpe (1) v Lions Gibraltar (1)

6 February 2018	Mons Calpe (1)	4–1	Lions Gibraltar (1)	Gibraltar
20:30	Blanco 52', 71', 74', 81' (p)	Report	Llaves 73'	Stadium: Victoria Stadium Referee: Herbert Warwick

Cannons (2) v Hound Dogs (2)

7 February 2018	Cannons (2)	2–0	Hound Dogs (2)	Gibraltar
18:15	Pineda 17' J. Rivas 83'	Report		Stadium: Victoria Stadium Referee: Juan Miguel Vega

Gibraltar United (1) v Manchester 62 (1)

7 February 2018	Gibraltar United (1)	3–1	Manchester 62 (1)	Gibraltar
20:30	Elghobashy 4' Meireles 18' Ponce 53'	Report	Rodriguez 64'	Stadium: Victoria Stadium Referee: Yaroslaff Borg

FC Olympique 13 (2) v Europa Point (2)

8 February 2018	FC Olympique 13 (2)	2–2 (4–3 p)	Europa Point (2)	Gibraltar
20:30	Ritchie 23' K. Casciaro 90'	Report	Nuñez 28' Campoy 83' (p)	Stadium: Victoria Stadium Referee: Alvaro Delgado
	Penalties
	Montovio K. Casciaro Rodriquez Parker J. Perez		Ruiz Gallego Sabastro Nuñez Serrano

Lynx (1) v Europa (1)

19 February 2018	Lynx (1)	0–2	Europa (1)	Gibraltar
20:30		Report	Roldán 10', 14'	Stadium: Victoria Stadium

Lincoln Red Imps (1) v Glacis United (1)

20 February 2018	Lincoln Red Imps (1)	3–0	Glacis United (1)	Gibraltar
20:30	J. Pérez 17' (o.g.) Calderón 24' (p) De Barr 90'	Report		Stadium: Victoria Stadium

Bruno's Magpies (2) v Gibraltar Phoenix (1)

26 February 2018	Bruno's Magpies (2)	1–2	Gibraltar Phoenix (1)	Gibraltar
20:30	Gaul 11'	Report	Godoy 12', 65'	Stadium: Victoria Stadium

St Joseph's (1) v Leo (2)

27 February 2018	St Joseph's (1)	3–0	Leo (2)	Gibraltar
20:30	Villalba 4' (p) Ferrer 19' Duarte 70' (p)	Report		Stadium: Victoria Stadium

The quarter final draw took place on 28 February 2018.

Lincoln Red Imps (1) v Cannons (2)

11 March 2018	Lincoln Red Imps (1)	2–0	Cannons (2)	Gibraltar
16:30	Bardon 63' Aranda 72'	Report		Stadium: Victoria Stadium Referee: Jason Barcelo

FC Olympique 13 (2) v Gibraltar United (1)

11 March 2018	FC Olympique 13 (2)	0–6	Gibraltar United (1)	Gibraltar
19:00		Report	Negrette 20', 27' Elghobashy 52', 57' De Torres 72' Prescott 74'	Stadium: Victoria Stadium Referee: Yaroslaff Borg

Mons Calpe (1) v St Joseph's (1)

18 March 2018	Mons Calpe (1)	2–1	St Joseph's (1)	Gibraltar
16:30	Pibe 36', 90'	Report	Duarte 87'	Stadium: Victoria Stadium Referee: Yaroslaff Borg

Europa (1) v Gibraltar Phoenix (1)

9 April 2018	Europa (1)	5–0	Gibraltar Phoenix (1)	Gibraltar
20:30	Carreño 32' Belforti 40' Gómez 63', 89' Toni 71'	Report		Stadium: Victoria Stadium Referee: Abdul El Yettefti

The draw for the semi-finals took place on 11 April 2018.

Gibraltar United (1) v Mons Calpe (1)

23 April 2018	Gibraltar United (1)	0–5	Mons Calpe (1)	Gibraltar
19:30		Report	Pibe 24', 44' Blanco 58', 65' Cascio 62'	Stadium: Victoria Stadium Referee: Patrick Canepa

Lincoln Red Imps (1) v Europa (1)

24 April 2018	Lincoln Red Imps (1)	1–3	Europa (1)	Gibraltar
19:30	Hernandez 21' (pen.)	Report	Gómez 14', 38' Roldán 26'	Stadium: Victoria Stadium Referee: Tim Reoch

As of 24 April 2018.^[4]

6 goals

5 goals

• Pibe (Mons Calpe)

3 goals

2 goals

1 goal

Own goals

• Juan José Pérez (Glacis United) - against Lincoln Red Imps