Their 2015–16 Primeira Liga debut match was a 3–0 home win against Vitória de Guimarães, with Cameroon striker Vincent Aboubakar scoring the team's first official goal.

In the 2015–16 Taça de Portugal, they reach the final, five years after their last appearance, but were defeated 5–4 on penalties by Braga, after a 2–2 draw at the end of extra time.

[6][7] The team also participated in the 2015–16 Taça da Liga, but were eliminated in the starting round after finishing last in their third-round group, with three defeats.

[10] Having finished third in their group, Porto were demoted to the 2015–16 Europa League; they lost to Borussia Dortmund with a 3–0 aggregate score and were eliminated in the round of 32.

Season preparations continued at Marienfeld, Germany, from 23 to 31 July, where Porto staged two more matches against top-flight German teams before competing at the inaugural Colonia Cup tournament on 1–2 August.