2017–18 CTFA Cup

The 2017–18 CTFA Cup was the fifth edition of the CTFA Cup, which began on 30 August 2017 with the first qualifying round and culminated with the final in May 2018. Forty-seven teams participated in the competition from 19 nations.

List of qualified teams

Entered in Round of 16
Pentyre Dragons (CL)	St. Edward FC (CL)	Frenzyville Ferrets (CL)	Lionsgate City (CL)
Entered in Group stage
Vanya Suvan FK (5th)	Mëzal Birlæşňi FK (6th)	Arwyn Llysthur (4th)	Aberford Town (5th)
Yasutomi FC (CL)	Lindström Leopards (CL)	Holstein Harriers (4th)	SC Antarctica (CL)
Batave Livingston United (4th)	Livingston Celtic (5th)	New Pallisican Empire (CL)	Avanunasiaq Ajugaasoq (CL)
Jamestown United (4th)	Hyde FC (5th)	AFC Hamstadt (3rd)	Grenstad Verenigd FC (4th)
Entered in Third qualifying round
Doza Dragons (CL)	Hergon Heretics (2nd)	Taulaga le Lusa FV (CL)	Loto le Lusa'aii (2nd)
Stone Athletic (CL)	Den City (CW)	Ranheim Rensdyr (2nd)	FC Volksburg (CL)
IFC Two Martyrs (CL)
Entered in Second qualifying round
Eupragia Athletic (3rd)	Laverton Rovers (CL)	Bath United (2nd)	Etourney FC (CL)
Iunivesite NV (3rd)	Manchester FC (4th)	United Mar Sara FC (CL)	Brabantia FC (CL)
Micronia Marauders (5th)	Kangiingik Kallerpoq (3rd)
Entered in First qualifying round
FC Rovers (2nd)	Shiroiwa FC (2nd)	Wychwood Town (1st)	Augustgrad FC (2nd)
Brabantia Monastery FC (2nd)	Heart of Lucien SC (2nd)	Alttreisen United (2nd)	Asara Eliana FC (2nd)

Knock-out stages

Round of 16

The second round was held over two legs, with the first leg being played on 10 January 2018, and the second on 17 January 2018. Ties were settled by the away goals rule after 90 minutes, or by extra time and penalties if there was still no winner.

Quarter-finals

The quarter-finals were held over two legs, with the first leg being played on 7 February 2018, and the second on 21 February 2018. Ties were settled by the away goals rule after 90 minutes, or by extra time and penalties if there was still no winner.

Semi-finals

The semi-finals were held over two legs, with the first leg being played on 21 March 2018, and the second on 4 April 2018. Ties were settled by the away goals rule after 90 minutes, or by extra time and penalties if there was still no winner.

Final

The final was held over a single match, held on 16 May 2018. If the match was drawn, extra time and penalties were to be used to settle the tie.