On 5 May 2017, Plymouth Argyle announced Cardiff City will visit during the pre-season schedule.

[41] A week later, it was confirmed the club will visit the Netherlands again this summer playing two friendlies whilst abroad while other friendlies were also announced in England.

Source: [citation needed] On 16 October 2017, Plymouth Argyle were drawn at home against Grimsby Town in the first round.

[45] On 16 June 2017, Plymouth Argyle were drawn away to Bristol City in the first round.

[46] On 12 July 2017, Plymouth were drawn against Chelsea U23s, Exeter City and Yeovil Town in Southern Group D.[47]