Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
In January 2018 Ivorian midfielder Mohamed Doumbia joined the club from Finnish second-tier side Ekenäs IF, signing a contract until the end of the 2018–19 season.[8] Former Dukla striker Néstor Albiach joined the club on a short-term loan from Sparta Prague in February 2018.[9]
As a First League team, Dukla entered the Cup at the second round stage. In the second round, Dukla faced Bohemian Football League side Převýšov, the same opponent at the same stage in the previous season. Dukla won the match 2–0 away from home. The third round match was away against Jiskra Domažlice, a team which had beaten Dukla in the second round of the 2014–15 competition. Despite taking a 1–0 lead into half time, Dukla conceded three goals in the second half and lost 3–2, signalling the end of this season's cup run.